1028-9933 1028-9933 S1028-99332018000500977 Cuba Cuba Cuba 00 10 2018 00 10 2018 97 5 977 986

1 2010 2 2013 32 3 3 284-92 3 2013 11 1 1 44-53 4 2011 90 4 4 397-8 5 Organización Mundial de la Salud 2011 6 2012 7 2011 5 3 3 291-8 8 2014 9 2012 10 2013 17 2 2 49-55 11 2012 4 2 2 51-62 12 2012 38 4 4 546-52 13 2015 14 2007 15 2005 50 3 3 136-40