2007-1523 2007-1523 S2007-15232015000100022 10.1016/j.rmta.2015.05.005 Mexico Mexico 00 06 2015 00 06 2015 6 1 22 29

2009 16 54-9 1988 2nd ed 2001 30 28-36 2006 104 345-50 2012 22 38-42 1998 2 27-33 2001 18 313-24 2012 3 62-79 1998 2 363-75 Organización Mundial de la Salud 2015 2014 1991 2nd ed 2004 1 15-28 2001 110 124-35