1405-0927 1405-0927 S1405-09272021000200223 10.48102/hyg.vi57.384 Estados Unidos 00 12 2021 00 12 2021 57 223 256

1993 17-87 2010 2014 2011 431-808 2015 1991 1962 2012 1994 2013 XV-XXX 2010 I 2a 2019 2013 4a