<?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>1027-152X</journal-id>
<journal-title><![CDATA[Revista Chapingo. Serie horticultura]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Chapingo Ser.Hortic]]></abbrev-journal-title>
<issn>1027-152X</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma Chapingo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1027-152X2019000100061</article-id>
<article-id pub-id-type="doi">10.5154/r.rchsh.2018.08.017</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effect of time of application and amounts of mammalian sex hormone progesterone and gibberellic acid on the growth of Zinnia elegans]]></article-title>
<article-title xml:lang="es"><![CDATA[Efecto del momento de aplicación y de las cantidades de progesterona de mamíferos y ácido giberélico sobre el crecimiento de Zinnia elegans]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sedaghathoor]]></surname>
<given-names><![CDATA[Shahram]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zakibakhsh-Mohammadi]]></surname>
<given-names><![CDATA[Parisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Islamic Azad University  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Iran</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<volume>25</volume>
<numero>1</numero>
<fpage>61</fpage>
<lpage>73</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1027-152X2019000100061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1027-152X2019000100061&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1027-152X2019000100061&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The use of animal sex hormones in plants does not have a long history, but the presence of these hormones in plants has been proven. The aim of the research was to investigate the effects of gibberellic acid and progesterone on growth and development of Zinnia elegans flower in a factorial experiment based on a completely randomized design with three factors considering three replications. The first factor included application times (pre-sowing, four-leaf stage and two months after sowing), the second factor was progesterone rates (0, 5 and 10 mg·L-1) and three gibberellic acid rates (0, 100, and 200 mg·L-1). The measured traits were dry weight and fresh weight of aerial organ and root, number of nodes, number of flowers, number of buds, number of branches and leaves, the distance from the crown to the first leaf, the distance from the crown to the first branch, plant height, chlorophyll a, b and total chlorophyll and leaf area. Results showed that the highest fresh weight of aerial organ and root, maximum number of nodes, flower number, bud number, branch number, the highest plant height and the highest content of chlorophyll a occurred two months after planting. Overall, 10 mg·L-1 progesterone had the best effects on the traits. The maximum leaf area was obtained by applying 5 mg·L-1 two months after sowing.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El uso de hormonas sexuales de animales en plantas no tiene una larga trayectoria, pero se ha demostrado la presencia de estas hormonas en plantas. El objetivo de este estudio fue evaluar los efectos del ácido giberélico y la progesterona en el crecimiento y desarrollo de flores de Zinnia elegans. Se estableció un experimento factorial con base en un diseño completamente al azar con tres factores y tres repeticiones. El primer factor fue el momento de aplicación (antes de la siembra, etapa de cuatro hojas y dos meses después de la siembra), y el segundo y tercer factor incluyeron la dosis de progesterona (0, 5 y 10 mg·L-1) y ácido giberélico (0, 100 y 200 mg·L-1), respectivamente. Las variables evaluadas fueron peso seco y peso fresco del órgano aéreo y la raíz, número de nudos, flores, brotes, ramas y hojas, distancia de la copa a la primera hoja, distancia de la copa a la primera rama, altura de la planta, clorofila a, b y total, y área foliar. Los resultados mostraron que el mayor peso fresco del órgano aéreo y la raíz, el número máximo de nudos, el número de flores, el número de brotes, el número de ramas, la mayor altura de la planta y el mayor contenido de clorofila a se obtuvieron dos meses después de la siembra. En general, 10 mg·L-1 de progesterona presentó los mejores efectos en las características evaluadas. El área foliar máxima se obtuvo al aplicar 5 mg·L-1 de progesterona dos meses después de la siembra.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[aerial organ]]></kwd>
<kwd lng="en"><![CDATA[leaf area index]]></kwd>
<kwd lng="en"><![CDATA[GA]]></kwd>
<kwd lng="en"><![CDATA[ornamental plant]]></kwd>
<kwd lng="es"><![CDATA[órgano aéreo]]></kwd>
<kwd lng="es"><![CDATA[índice de área foliar]]></kwd>
<kwd lng="es"><![CDATA[AG]]></kwd>
<kwd lng="es"><![CDATA[planta ornamental]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ahmadi-Lashaki]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sedaghathoor]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Kalatehjari]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Hashemabadi]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The physiological and growth response of Petunia hybrida, Tagetes erecta, and Calendula officinalis to plant and human steroids]]></article-title>
<source><![CDATA[AIMS Agriculture and Food]]></source>
<year>2018</year>
<volume>3</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>85-96</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ahmadpour]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Zarghami]]></surname>
<given-names><![CDATA[M. A]]></given-names>
</name>
</person-group>
<source><![CDATA[Study and determination of the effects of gibberellic acid on growth and flowering of Gladiolus murielae in Jiroft]]></source>
<year>2009</year>
<conf-name><![CDATA[ 6thIranian Congress of Horticultural Science]]></conf-name>
<conf-loc> </conf-loc>
<publisher-loc><![CDATA[Rasht ]]></publisher-loc>
<publisher-name><![CDATA[Guilan University]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arun]]></surname>
<given-names><![CDATA[D. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ashok]]></surname>
<given-names><![CDATA[A. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Rengasamy]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of some growth regulating chemicals on growth and flowering of rose &#8217;First Red&#8217; under greenhouse conditions]]></article-title>
<source><![CDATA[Journal of Ornamental Horticulture]]></source>
<year>2000</year>
<volume>3</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>51-3</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bedour]]></surname>
<given-names><![CDATA[A. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Award]]></surname>
<given-names><![CDATA[A. E.]]></given-names>
</name>
<name>
<surname><![CDATA[EL Tayeb]]></surname>
<given-names><![CDATA[T. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Habba]]></surname>
<given-names><![CDATA[I. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Metwally]]></surname>
<given-names><![CDATA[S. A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Anatomical aspects of gerbera leaves under the effect of progestrone and irridition treatments]]></article-title>
<source><![CDATA[Journal of Applied Sciences Research]]></source>
<year>2012</year>
<volume>8</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>5903-15</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bhattacharya]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Steroid hormone effects on growth and apical dominance of sunflower]]></article-title>
<source><![CDATA[Phytochemistry]]></source>
<year>1981</year>
<volume>20</volume>
<page-range>989-91</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brooking]]></surname>
<given-names><![CDATA[I. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cohen]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gibberellin-induced flowering in small tubers of Zantedeschia &#8216;Black Magic&#8217;]]></article-title>
<source><![CDATA[Scientia Horticulturae]]></source>
<year>2002</year>
<volume>95</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>63-73</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Esmaeili]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Rouhi]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Shiran]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Mohamadkhani]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of calcium chloride, gibberellin and benzyladenine on qualitative and quantitative characteristics and flower longevity of Zinnia (Zinnia elegans J.)]]></article-title>
<source><![CDATA[Journal of Horticulture Science]]></source>
<year>2014</year>
<volume>27</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>444-52</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fahimi]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant growth regulators]]></source>
<year>2014</year>
<publisher-loc><![CDATA[Tehran ]]></publisher-loc>
<publisher-name><![CDATA[Tehran University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gendron]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Z. Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multiple mechanisms modulate brassinosteroid signaling]]></article-title>
<source><![CDATA[urrent Opinion in Plant Biology]]></source>
<year>2007</year>
<volume>10</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>436-41</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Janeczko]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Skoczowski]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mammalian sex hormones in plants]]></article-title>
<source><![CDATA[Folia Histochemica et Cytobiologica]]></source>
<year>2005</year>
<volume>43</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>71-9</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Janowska]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Jerzy]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of gibberellic acid on post-harvest leaf longevity of Zantedeschia elliottiana (W. WATS) Engl]]></article-title>
<source><![CDATA[Journal of Fruit and Ornamental Plant Research]]></source>
<year>2003</year>
<volume>11</volume>
<page-range>69-76</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khangholi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Growth regulators potential in controlling the size and flowering of ornamental plants]]></source>
<year>2001</year>
<conf-name><![CDATA[ 1stScientific-Applied Seminar of Iranian Ornamental Plants]]></conf-name>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khoskhoy]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Shibani]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Rouhani]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tafazzoli]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Principles of horticulture]]></source>
<year>2010</year>
<publisher-loc><![CDATA[Shiraz ]]></publisher-loc>
<publisher-name><![CDATA[Shiraz University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Majidian]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Naderi]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Khalighi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Majidian]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of four levels of GA3 and BA on the quantitative and qualitative characteristics of Zantedeschia aethiopica cv. Childsiana pot plant]]></article-title>
<source><![CDATA[Journal of Horticulture Science]]></source>
<year>2012</year>
<volume>25</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>361-8</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mandava]]></surname>
<given-names><![CDATA[B. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Sasse]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Yopp]]></surname>
<given-names><![CDATA[J. H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Brassinolide a growth promoting steroidal lactone, II. Activity in selected gibberein and cytokinin bioassays]]></article-title>
<source><![CDATA[Physiologia Plantarum]]></source>
<year>1981</year>
<volume>53</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>453-61</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mazumdar]]></surname>
<given-names><![CDATA[B. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Majumdar]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<source><![CDATA[Methods on physicochemical analysis of fruits]]></source>
<year>2003</year>
<publisher-loc><![CDATA[Calcutta ]]></publisher-loc>
<publisher-name><![CDATA[University College of Agriculture]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Palaniswamy]]></surname>
<given-names><![CDATA[K. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[K. A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Length-width method for estimating leaf area of rice]]></article-title>
<source><![CDATA[Agronomy Journal]]></source>
<year>1974</year>
<volume>66</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>420-33</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Saffari]]></surname>
<given-names><![CDATA[V. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Khalighi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Lesani]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Babalar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Obermaier]]></surname>
<given-names><![CDATA[J. F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of different plant growth regulators and time of pruning on yield components of Rosa damascena Mill]]></article-title>
<source><![CDATA[International Journal of Agricultural and Biological Engineering]]></source>
<year>2004</year>
<volume>6</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1040-2</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shekari]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ebrahimzadeh]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Esmaeilzadeh]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant growth regulators in agriculture and horticulture]]></source>
<year>2005</year>
<publisher-loc><![CDATA[Zanjan ]]></publisher-loc>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shiravand]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Design of green spaces with ornamental trees and shrubs]]></source>
<year>2011</year>
<publisher-loc><![CDATA[Iran ]]></publisher-loc>
<publisher-name><![CDATA[Agriculture Training and Education Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Simons]]></surname>
<given-names><![CDATA[R. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Grinwich]]></surname>
<given-names><![CDATA[D. L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Immunoreactive detection of four mammalian steroids in plants]]></article-title>
<source><![CDATA[Canadian Journal of Botany]]></source>
<year>1989</year>
<volume>67</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>288-96</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Nakamura]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Ota]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of epi-brassinolide on gram Cicer arietinum plants grown under water stress in juvenile stage]]></article-title>
<source><![CDATA[Indian Journal of Agricultural Sciences]]></source>
<year>1993</year>
<volume>63</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>395-7</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Takahashi]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Phinney]]></surname>
<given-names><![CDATA[B. O.]]></given-names>
</name>
<name>
<surname><![CDATA[MacMillan]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Gibberellins]]></source>
<year>1991</year>
<publisher-loc><![CDATA[Berlin ]]></publisher-loc>
<publisher-name><![CDATA[Springer-Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wittwer]]></surname>
<given-names><![CDATA[S. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Bukovac]]></surname>
<given-names><![CDATA[M. J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effects of gibberellin on economic crops]]></article-title>
<source><![CDATA[Economic Botany]]></source>
<year>1958</year>
<volume>12</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>213-55</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
