1680-0338 1680-0338 S1680-03382020000100115 Ecuador Cuba 00 04 2020 00 04 2020 41 1 115 126

2014 2016 1990 116 7 7 914-29 2017 3 1 1 168-81 2007 21 3316-27 1959 679 2016 La Habana 2018 39 1 1 17-31 1986 2013 2016 36 3839-55 OPS-OMS-MAE 2003 2014