2312-3893
2312-3893
S2312-38932021000100156
10.18004/rvspmi/2312-3893/2021.08.01.156
Ecuador
Ecuador
00
03
2021
00
03
2021
8
1
156
166
[
2017
127
5
5
1625-6
]
[
2015
372
1
1
55-65
]
[
2016
147
11
11
507-10
]
[
2017
6
1
1
1-13
]
[
2019
14
5
5
656-63
]
[
2017
28
5
5
1340-9
]
[
2020
75
2
2
272-86
]
[
2017
37
4
4
370-80
]
[
2019
43
5
5
302-16
]
[
2016
128
3
3
299-306
]
[
2019
27
1
1
58
]
[
2019
14
3
3
432-4
]
[
2010
19
5
5
493-8
]
[
2018
13
4
4
641-9
]
[
2016
9
4
4
527-9
]
[
2019
14
5
5
645-7
]
[
2015
24
1
1
14-20
]
[
2016
42
1
1
1-7
]
[
2016
30
2
2
189-203
]
[
2018
7
7
7
G8-11
]