1560-4381 1560-4381 S1560-43812020000200491 Cuba Cuba Cuba 00 06 2020 00 06 2020 24 2 491 515

1 2012 V.1 2 2014 72 2 2 40-5 3 Ministerio de Salud Pública 2017 4 2016 43 6 6 774-85 5 2016 93 100-3 6 1991 75 8-13 7 2018 9 ^s1 ^s1 1 16-28 8 1991 75 S S 14-20 9 Muñoz Gajardo R y colaboradores 2016 42 24-30 10 2014 10 3 3 11 2012 50p 12 2013 13 2014 18 3 3 14 2006 35 2 2 15 2014 V 1 16 2015 49 1 1 52-7 17 2015 14 5 5 506-17 18 2016 28 1 1 121-31