1405-9436 1405-9436 S1405-94362021000100039 Mexico Mexico 00 06 2021 00 06 2021 6 53 39 73

2018 2003 2010 2001 1996 1 1 1 3-32 1998 2015 19 92 92 1-32 2005 2016 2017 2009 19 38 38 21-40 2008 2009 19 38 38 7-19 2012 2006 2011 3 2 2 148-53 2008 8 8 67-73 2017 1988 2002 2007 2002 18 61 61 11-30 2004 2 4 4 197-220 1973 2004 30 12-34 2007 227-50 2004 1995 2006 2003 2012 1992 101-32 1991 2008 World Health Organization 2010 88 12 12 881-2