0186-4866 0186-4866 S0186-48662017000600723 10.24245/mim.v33i6.1334 Mexico Mexico México México México 00 12 2017 00 12 2017 33 6 723 729

1 2003 66 3 3 160-9 2 1989 70 98-108 3 1983 4 2007 XIII 37 37 491-6 5 1989 70 98-108 6 1983 59 93-102 7 1998 317-43 8 9 1998 26 827-32 10 2005 102 4 4 715-9 11 1997 9 3 3 184-8 12 1986 256 1017-20 13 1986 2 270-88 14 2000 74-8 15 Cuevas Urustiegui ML y col 1995 52 381-91 16 1998 50 79-86 17 Normativas SEPAR 1998 34 142-53 18 2006 58 1 1 28-33