1561-3194 1561-3194 S1561-31942019000400501 Cuba 00 08 2019 00 08 2019 23 4 501 512

1 2018 2 2017 15 1 1 3 2017 4 2007 23 3 3 5 2018 22 4 4 6 Ministerio de Salud Pública 2005 7 2016 32 1 1 8 2012 12 2 2 9 2017 10 2018 11 2009 12 2014 30 4 4 13 2016 10 4 4 14 2014 15 2012