1028-4818 1028-4818 S1028-48182021000600008 Cuba 00 12 2021 00 12 2021 25 6

1 2017 16 3 3 402-19 2 2017 69 3 3 1-17 3 2020 38 1 1 e337759-e65 4 2019 36 2 2 145-51 5 2018 6 2020 61 2 2 121-6 7 Organización Mundial de la Salud 2020 8 2018 16 2 2 322-34 9 OPS 2017 10 2019 30 4 4 242-8 11 2016 34 1 1 77-84 12 2016 27 1 1 41-60 13 2017 14 2017 33 4 4 104-27 15 2016 8 1 1 1-8 16 2016 20 2 2 77-83 17 2019 18 1 1 1-17 18 2018 19 2018 24 2 2 77-83 20 2015 76 2 2 161-6