1692-715X 1692-715X S1692-715X2022000300140 10.11600/rlcsnj.20.3.4727 Ecuador Ecuador Belgium Belgium Belgium 00 12 2022 00 12 2022 20 3 140 165

2012 16 6 6 1570-83 2018 36 7-8 7-8 3755-77 2017 61 4 4 42-7 2003 3-22 2003 29 257-81 2014 28 3 3 337-58 2006 35 2 2 129-42 2014 14 1 1 14-27 2016 11 6 6 2016 10 4 4 1-16 2008 15 2 2 130-46 2007 57 5-6 5-6 373-83 2007 15 1 1 83-100 2003 45 S1 S1 26-33. 2012 2009 19 2 2 313-51 Ministerio de Salud Pública [Ecuador]. 2017 2019 39 3 3 270-86 2018 2007 39 2 2 100-7 2012 109-34 2009 2016 18 9 9 1-15 2019 34 1 1 194-210 2016 31 1 1 3-31 2003 59 1 1 159-78 2003 40 1 1 4-12 2007 57 9-10 9-10 775-86 2020 24 3 3 967-1003