1996-2452
1996-2452
S1996-24522021000200606
Ecuador.
00
08
2021
00
08
2021
16
2
606
615
[
2019
23
248
248
107-21
]
[
2013
13
2
2
91-100
]
[
2019
6
1
1
58-67
]
[
2018
23
245
245
127-46
]
[
2013
19
5
5
313-6
]
[
1989
44
3
3
P80-7
]
[
2017
23
2
2
109-13
]
[
2005
45
4
4
467-75
]
[
2007
]
[
2020
20
2
2
768-73
]