2448-9190 2448-9190 S2448-91902017000200142 10.29262/ram.v64i2.235 Mexico Mexico 00 06 2017 00 06 2017 64 2 142 152

1942 13 6 6 574-8 1987 17 1 1 33-42 1970 45 310-9 2000 105 1 1 116-25 2014 61 65-72 2010 104 2 2 101-8 2003 112 4 4 784-8 2000 106 1 1 27-36 2001 87 4 4 261-71 2005 23 6 6 395-9 2004 34 1 1 137-44 2008 19 5 5 392-8 2015 23 3 3 230-4 1993 71 5 5 470-6 2001 56 6 6 548-52 1989 83 683-90 2003 58 9 9 950-3 2000 106 5 5 968-72 American College of Allergy, Asthma, & Immunology 2006 96 3^s2 3^s2 2 S1-S68 1995 74 5 5 391-6 1995 5 5 5 259-67 1998 28 11 11 1368-73 2004 34 5 5 761-9 2003 58 5 5 435-8 1982 37 6 6 437-43 2015 62 1 1 28-40 2013 60 1 1 17-25 2011 41 7 7 1001-11 2008 33 4 4 383-9 2011 41 1 1 4-19