1561-3194 1561-3194 S1561-31942022000200015 Cuba Cuba Cuba 00 04 2022 00 04 2022 26 2

1 2019 6 20 20 12-23 2 Revista de Ciencias Médicas de Pinar del Río 2019 3 2017 21 1 1 10 4 2021 25 3 3 5 2020 42 1 1 6 2020 41 2 2 7 2018 7 25 25 18-26 8 2020 31 2 2 9 2021 15 2 2 163-75 10 2019 41 4 4 11 2017 15 5 5 12 2021 32 1 1 14-27 13 2019 98 5 5 14 2014 72 5 5 103-8 15 2017 9 4 4 162-79