1028-4818 1028-4818 S1028-48182022000300002 Cuba 00 06 2022 00 06 2022 26 3 1 2020 57 1 1 2 2020 19 1 1 1-5 3 2020 20 2 2 4 Cuba Ministerio de salud pública 2021 5 2021 6 1 1 47-50 6 2020 5 10 10 115-23 7 2020 31 2 2 115-23