1028-9933 1028-9933 S1028-99332018000300518 Cuba Cuba 00 06 2018 00 06 2018 97 3 518 527

1 2018 2 2009 9 1 1 3 2009 5 4 4 4 2015 9 1-2 1-2 15-32 5 Cuba. Ministerio de Salud Pública 2015 6 2010 7 2010 8 2011 3 27 27 9 2010 10 2006 11 2011 12ed 12 2011 5 5 1-8 13 2009 14 2012 15 2011 16 1992 5 1-2 1-2 51-75