1726-6718 1726-6718 S1726-67182019000200009 Cuba 00 08 2019 00 08 2019 18 2

1 2016 2 Cuba, Ministerio de Salud Pública 2015 3 2015 4 2014 5 1997 13 1 1 37-43 6 3ra 7 2002 8 9 10 2015