0048-7732 0048-7732 S0048-77322020000300227 Venezuela Venezuela Venezuela 00 09 2020 00 09 2020 80 3 227 235

1 2020 222 4 4 293.e1-293.e52 2 2013 73 2 2 88-98 3 2010 115 3 3 637-44 4 2015 43 12 12 773-9 5 2018 13 10 10 6 2013 26 17 17 1720-3 7 2013 122 1 1 27-32 8 2019 69 ^s2 ^s2 2 133-41 9 2018 31 6 6 747-53 10 Organización Mundial de la Salud 2014 11 2012 38 9 9 1162-7 12 2014 31 11 11 957-64 13 2018 142 1 1 48-53