0123-4641 0123-4641 S0123-46412021000100094 10.14483/22487085.16125 Chile Chile Chile Estados Unidos 00 06 2021 00 06 2021 23 1 94 116

2012 157 307-319. 2005 2014 2021 17 1 1 628-45 2005 28 1987 2016 22 11 11 219-42 2008 31 3 3 97-121 2012 2010 16 189-97 2016 1995 19 3-4 3-4 453-67 2018 2011 156 4 4 402-23 2007 12 2 2 172-83 2009 2003 2015 2001 73-92 2010 155 1 1 38-67 2012 62 4 4 1024-51 1990 1 2 2 268-75 1991 79 1 1 60-70 2010 Ministerio de Educación 2015 2012 33 4 4 310-21 2004 24 2 2 129-54 2004 2003 8 4 4 383-400 2018 1986 21 4 4 360-407 2013 29 3 3 305-18 2005 World Health Organization (WHO)