1817-7433
1817-7433
S1817-74332021000100030
10.51581/rccm.v24i1.341
Ecuador
Ecuador
00
00
2021
00
00
2021
24
1
30
36
[
2016
20
2
2
219-27
]
[
2019
9
5
5
45-9
]
[
2015
86
1
1
47-51
]
[
2016
6
]
[
2018
47
3
3
1-9
]
[
2016
38
6
6
877-86
]
[
2016
18
2
2
216-8
]
[
2014
6
]
[
2018
20
2
2
]
[
2015
17
1
1
48-60
]
[
2019
]
[
2018
25
3
3
177-83
]
[
2014
16
1
1
23-9
]
[
2017
36
]
[
2017
30
2
2
131-45
]
[
2020
16
2
2
92-6
]
[
2010
49
2
2
61-76
]