2528-7907 2528-7907 S2528-79072023000100001 10.36097/rsan.v0i53.1957 Cuba Ecuador Cuba 00 05 2023 00 05 2023 1 53 1 15

2017 12 26-37 2018 2020 9 5 5 2030-7 2018 2014 23 3 3 77-82 2014 2021 2018 7 6 6 2020 39 3 3 2020 8 1 1 71-89 2018 2018 La Habana, Cuba 2017 7 1 1 13-26 2019 2002 27 297 297 2016 1995 2019 10 4 4 100-10 2012 2020 39 2 2 342-52 2017 3909-43 2018 9 2129-51 2015 2016 40 415-26 2018