2664-3243 2664-3243 S2664-32432022000100141 10.33996/revistavive.v5i13.137 Ecuador 00 04 2022 00 04 2022 5 13 141 153

2018 10 1 1 1-10 2019 30 30 155-61 Organización Mundial de la Salud 2021 2021 5 4 4 126-34 2020 2 1 1 1-10 2019 19 3 3 1-10 2017 29 1 1 6-13 2017 8 2 2 78-90 2019 41 3 3 1-5 2019 2019 2019 1 3 3 1-3 2018 25 4 4 228-38 2017 49 7 7 417-25 2021 2021