1646-9895

1646-9895

S1646-98952020000500031

10.17013/risti.40.31-44

Ecuador

31 12 2020

31 12 2020

40 31 44

2017

1-11

2018 17 1 1

60-41

2000

2016 49 12 12

1-21

2020 38 38

33-47

2015 23 1 1

139-47

2016

32-44

2007

2010

2018

2017 20 2 2

205-20

2017 13 1 1

78-86

2020 12 3 3

2-6

2014 Sexta

2020 11 1 1

5-15

2019

35-51

2020 39 39

1-17

2018 21 1 1

217-38

2012 31 1 1

51-68

2018 6 12 12

84-93

2017 62 62

34-47

Organización Mundial de la Salud 2020

2018 31 31

47-68

2016

55-68

2020 37 1 1

3-7

1995

125-51

2018 2 1 1

945-59

2005 8 8

11-58

2020 4 1 1

13-20