2550-6722
2550-6722
S2550-67222022000300159
10.37135/chk.002.18.11
Ecuador
00
12
2022
00
12
2022
18
159
173
[
2019
9
2
2
109
]
[
2017
11
20
20
325
]
[
1998
71
91
]
[
2019
10
61
]
[
2017
17
1
1
1
]
[
2019
57
]
[
2015
72
1
]
[
1996
]
[
2019
31
1
1
66
]
[
2004
34
3
3
1
]
[
2006
12
2-3
2-3
191-205
]
[
2005
]
[
2006
4
1
1
47
]
[
2007
18
2
2
125
]
[
2016
]
[
2014
6ta
]
[
2019
]
[
1997
3-31
]
[
1992
575-98
]
[
2016
22
2
2
135
]
[
2018
37
2
2
14
]
[
2011
22
1
1
69-79
]
[
2019
25
1
1
23-30
]
[
2006
12
2
2
223
]
[
1995
125-51
]
[
2021
]
[
2017
4
11
11
162-81
]
[
2018
32
125
125
95-112
]
[
2019
12
877
]
[
2018
22
3
3
1
]