1560-4381
1560-4381
S1560-43812020000200667
Ecuador
Ecuador
Ecuador
Ecuador
00
06
2020
00
06
2020
24
2
667
682
[
2017
17
2
2
15-26
]
[
2016
20
3
3
330-7
]
[
2014
30
1
1
308-19
]
[
2018
329
5997
5997
1287-8
]
[
1994
]
[
1998
36
1
1
29-33
]
[
1990
30
2
2
184-8
]
[
1996
39
3
3
288-305
]
[
2010
8
2010
2010
55-61
]
[
2018
17
5
5
813-25
]
[
2015
]
[
1991
13
1
1
50-64
]