0120-0011 0120-0011 S0120-00112020000400577 10.15446/revfacmed.v68n4.76046 Chile Chile Chile 00 12 2020 00 12 2020 68 4 577 585

1 2018 2nd 2 2002 18 2 2 104-7 3 2016 4 1992 5 2010 21 2 2 157-67 6 2001 7 2011 5 1 1 8-19 8 2015 2 3 3 1-18 9 2015 55 1420-5 10 2015 55 1410-9 11 2017 122 2017 2017 339-45 12 2017 122 2017 2017 857-64 13 World Medical Association (WMA) 2013 Fortaleza 14 1995 15 2014 10 2 2 238 16 2001 4th 17 2011 18 2018 139 456-63 19 2018 139 570-7