<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0034-8376</journal-id>
<journal-title><![CDATA[Revista de investigación clínica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. invest. clín.]]></abbrev-journal-title>
<issn>0034-8376</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-83762020000600380</article-id>
<article-id pub-id-type="doi">10.24875/ric.20000208</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Comparison of Sublingual and Intramuscular Administration of Vitamin B12 for the Treatment of Vitamin B12 Deficiency in Children]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tu&#287;ba-Kartal]]></surname>
<given-names><![CDATA[Ay&#351;e]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ça&#287;la-Mutlu]]></surname>
<given-names><![CDATA[Zeynep]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ankara University Division of Pediatric Neurology ]]></institution>
<addr-line><![CDATA[Ankara ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Kütahya Parkhayat Hospital Department of Pediatrics ]]></institution>
<addr-line><![CDATA[Kütahya ]]></addr-line>
<country>Turkey</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>72</volume>
<numero>6</numero>
<fpage>380</fpage>
<lpage>385</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0034-83762020000600380&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0034-83762020000600380&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0034-83762020000600380&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: In most countries, contrary to some disadvantages, such as pain, relatively higher cost, and poor adherence to treatment, intramuscular (IM) route is still the primary treatment method for Vitamin B12 (VB12) deficiency. In recent years, because of these difficulties, new treatment methods are being sought for VB12 deficiency.  Objectives: We aimed to compare sublingual (SL) and IM routes of VB12 administration in children with VB12 deficiency and to compare the efficacy of methylcobalamin and cyanocobalamin therapy in these children.  Methods: This retrospective study comprised 129 patients with VB12 deficiency (serum Vitamin 12 level &#8804; 200 pg/mL) aged 5-18 years. Based on the formulations of Vitamin 12, we divided the patients into three treatment groups as IM cyanocobalamin, SL cyanocobalamin, and SL methylcobalamin.  Results: After Vitamin 12 therapy, serum Vitamin 12 levels increased significantly in all patients, and there was a statistically significant difference between the treatment groups (p &lt; 0.05).  Conclusions: SL cyanocobalamin and methylcobalamin were found as effective as IM cyanocobalamin for children with Vitamin 12 deficiency in correcting serum Vitamin 12 level and hematologic abnormalities.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Cyanocobalamin]]></kwd>
<kwd lng="en"><![CDATA[Intramuscular]]></kwd>
<kwd lng="en"><![CDATA[Methylcobalamin]]></kwd>
<kwd lng="en"><![CDATA[Sublingual]]></kwd>
<kwd lng="en"><![CDATA[Vitamin B12]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kotilea]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Quennery]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Decroës]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Hermans]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Successful sublingual cobalamin treatment in a child with short-bowel syndrome]]></article-title>
<source><![CDATA[J Pediatr Pharmacol Ther]]></source>
<year>2014</year>
<volume>19</volume>
<page-range>60-3</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Langan]]></surname>
<given-names><![CDATA[RC]]></given-names>
</name>
<name>
<surname><![CDATA[Goodbred]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vitamin B12 deficiency:recognition and management]]></article-title>
<source><![CDATA[Am Fam Physician]]></source>
<year>2017</year>
<volume>96</volume>
<page-range>384-9</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Balc&#305;]]></surname>
<given-names><![CDATA[YI]]></given-names>
</name>
<name>
<surname><![CDATA[Ergin]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Karabulut]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Polat]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Do&#287;an]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Küçükta&#351;c&#305;]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Serum Vitamin B12 and folate concentrations and the effect of the Mediterranean diet on vulnerable populations]]></article-title>
<source><![CDATA[Pediatr Hematol Oncol]]></source>
<year>2014</year>
<volume>31</volume>
<page-range>62-7</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sezer]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
<name>
<surname><![CDATA[Bozaykut]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ako&#287;lu]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Özdemir]]></surname>
<given-names><![CDATA[GN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The efficacy of oral Vitamin B12 replacement for nutritional Vitamin B12 deficiency]]></article-title>
<source><![CDATA[J Pediatr Hematol Oncol]]></source>
<year>2018</year>
<volume>40</volume>
<page-range>e69-72</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[van Walraven]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Austin]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Naylor]]></surname>
<given-names><![CDATA[CD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vitamin B12 injections versus oral supplements]]></article-title>
<source><![CDATA[How much money could be saved by switching from injections to pills?Can Fam Physician]]></source>
<year>2001</year>
<volume>47</volume>
<page-range>79-86</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vidal-Alaball]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Butler]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
<name>
<surname><![CDATA[Cannings-John]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Goringe]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Hood]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[McCaddon]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Oral Vitamin B12 versus intramuscular Vitamin B12 for Vitamin B12 deficiency]]></article-title>
<source><![CDATA[Cochrane Database Syst Rev]]></source>
<year>2005</year>
<volume>20</volume>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vitamin B(12) deficiency from the perspective of a practicing hematologist]]></article-title>
<source><![CDATA[Blood]]></source>
<year>2017</year>
<volume>129</volume>
<page-range>2603-11</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Masucci]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Goeree]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vitamin B12 intramuscular injections versus oral supplements:a budget impact analysis]]></article-title>
<source><![CDATA[Ont Health Technol Assess Ser]]></source>
<year>2013</year>
<volume>13</volume>
<page-range>1-24</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gomollón]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Gargallo]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Muńoz]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Vicente]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Lue]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Mir]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Oral cyanocobalamin is effective in the treatment of Vitamin B12 deficiency in Crohn's disease]]></article-title>
<source><![CDATA[Nutrients]]></source>
<year>2017</year>
<volume>9</volume>
<page-range>E308</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Metaxas]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Mathis]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Jeger]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Hersberger]]></surname>
<given-names><![CDATA[KE]]></given-names>
</name>
<name>
<surname><![CDATA[Arnet]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Walter]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early biomarker response and patient preferences to oral and intramuscular Vitamin B12 substitution in primary care:a randomised parallel-group trial]]></article-title>
<source><![CDATA[Swiss Med Wkly]]></source>
<year>2017</year>
<volume>147</volume>
<page-range>w14421</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Butler]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
<name>
<surname><![CDATA[Vidal-Alaball]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Cannings-John]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[McCaddon]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Hood]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Papaioannou]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Oral Vitamin B12 versus intramuscular Vitamin B12 for Vitamin B12 deficiency:a systematic review of randomized controlled trials]]></article-title>
<source><![CDATA[Fam Pract]]></source>
<year>2006</year>
<volume>23</volume>
<page-range>279-85</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bolaman]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Kadikoylu]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Yukselen]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Yavasoglu]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Barutca]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Senturk]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Oral versus intramuscular cobalamin treatment in megaloblastic anemia:a single-center, prospective, randomized, open-label study]]></article-title>
<source><![CDATA[Clin Ther]]></source>
<year>2003</year>
<volume>25</volume>
<page-range>3124-34</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bensky]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Ayalon-Dangur]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Ayalon-Dangur]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Naamany]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Gafter-Gvili]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Koren]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of sublingual vs. intramuscular administration of Vitamin B12 for the treatment of patients with Vitamin B12 deficiency]]></article-title>
<source><![CDATA[Drug Deliv Transl Res]]></source>
<year>2019</year>
<volume>9</volume>
<page-range>625-30</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Delpre]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Stark]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Niv]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sublingual therapy for cobalamin deficiency as an alternative to oral and parenteral cobalamin supplementation]]></article-title>
<source><![CDATA[Lancet]]></source>
<year>1999</year>
<volume>354</volume>
<page-range>740-1</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thakkar]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Billa]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment of Vitamin B12 deficiency-methylcobalamine?Cyancobalamine?Hydroxocobalamin?-clearing the confusion]]></article-title>
<source><![CDATA[Eur J Clin Nutr]]></source>
<year>2015</year>
<volume>69</volume>
<page-range>1-2</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parry-Strong]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Langdana]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Haeusler]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Weatherall]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Krebs]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sublingual Vitamin B12 compared to intramuscular injection in patients with Type 2 diabetes treated with metformin:a randomised trial]]></article-title>
<source><![CDATA[N Z Med J]]></source>
<year>2016</year>
<volume>129</volume>
<page-range>67-75</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castelli]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Friedman]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sherry]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Brazzillo]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Genoble]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Bhargava]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparing the efficacy and tolerability of a new daily oral Vitamin B12 formulation and intermittent intramuscular Vitamin B12 in normalizing low cobalamin levels:a randomized, open-label, parallel-group study]]></article-title>
<source><![CDATA[Clin Ther]]></source>
<year>2011</year>
<volume>33</volume>
<page-range>358-71</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nilsson]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Norberg]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Hultdin]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sandström]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Westman]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Lökk]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Medical intelligence in Sweden]]></article-title>
<source><![CDATA[Vitamin B12:oral compared with parenteral?Postgrad Med J]]></source>
<year>2005</year>
<volume>81</volume>
<page-range>191-3</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Graham]]></surname>
<given-names><![CDATA[ID]]></given-names>
</name>
<name>
<surname><![CDATA[Jette]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Tetroe]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Robinson]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Milne]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Mitchell]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Oral cobalamin remains medicine's best kept secret]]></article-title>
<source><![CDATA[Arch Gerontol Geriatr]]></source>
<year>2007</year>
<volume>44</volume>
<page-range>49-59</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sharabi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Cohen]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Sulkes]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Garty]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Replacement therapy for Vitamin B12 deficiency:comparison between the sublingual and oral route]]></article-title>
<source><![CDATA[Br J Clin Pharmacol]]></source>
<year>2003</year>
<volume>56</volume>
<page-range>635-8</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carmel]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[How I treat cobalamin (Vitamin B12) deficiency]]></article-title>
<source><![CDATA[Blood]]></source>
<year>2008</year>
<volume>112</volume>
<page-range>2214-21</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stabler]]></surname>
<given-names><![CDATA[SP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical practice. Vitamin B12 deficiency]]></article-title>
<source><![CDATA[N Engl J Med]]></source>
<year>2013</year>
<volume>368</volume>
<page-range>149-60</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sezer]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
<name>
<surname><![CDATA[Ako&#287;lu]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Bozaykut]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Özdemir]]></surname>
<given-names><![CDATA[GN]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of the efficacy of parenteral and oral treatment for nutritional Vitamin B12 deficiency in children]]></article-title>
<source><![CDATA[Hematology]]></source>
<year>2018</year>
<volume>23</volume>
<page-range>653-7</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Verma]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Chandra]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Shukla]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sengupta]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efficacy of oral methylcobalamin in treatment of Vitamin B12 deficiency anemia in children]]></article-title>
<source><![CDATA[Pediatr Blood Cancer]]></source>
<year>2017</year>
<volume>64</volume>
</nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Andrčs]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Kaltenbach]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Noel]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Noblet-Dick]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Perrin]]></surname>
<given-names><![CDATA[AE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Short-term oral cobalamin therapy for food-related cobalamin malabsorption]]></article-title>
<source><![CDATA[Ann Pharmacother]]></source>
<year>2003</year>
<volume>37</volume>
<page-range>301-2</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
