2631-2786 2631-2786 S2631-27862023000300171 10.35290/rcui.v10n3.2023.825 Ecuador Ecuador 00 12 2023 00 12 2023 10 3 171 187

2007 74 6 6 269-76 2010 3 2 2 173-87 2021 2012 2016 2015 60 1 1 31-5 2012 2003 4 4 129-36 2018 Ministerio de Salud Pública 2022 2005 23 3 3 257-74 2019 2021 2011 40 40 2013 26 1 1 85-91 2019