2306-4102 2306-4102 S2306-41022017000600269 México México México 00 12 2017 00 12 2017 31 6 269 272

1 2001 16 3 3 271-8 2 1998 22 6 6 390-3 3 1996 109 12 12 937-40 4 1999 9 1 1 24-30 5 2000 15 5 5 562-6 6 1997 79 4 4 570-4 7 1997 12 2 2 168-79 8 2001 73 3 3 610-35 9 1998 53 ^sA ^sA A 102-6 10 1996 25 4 4 292-5 11 2014 29 4 4 694-7 12 2013 21 1 1 19-22 13 Canadian Institute for Health Information 2016