1727-897X 1727-897X S1727-897X2020000300381 Cuba 00 06 2020 00 06 2020 18 3 381 387

1 2020 395 1254 2 2020 3 2020 368 m1268 m1268 4 2020 5 2020 368 m986 6 2009 25 4 4 9 7 Ministerio de Salud Pública 2020 8 08/0 4/ 20 9 08/0 4/ 20