2218-3620
2218-3620
S2218-36202020000400192
Ecuador
Ecuador
00
08
2020
00
08
2020
12
4
192
200
[
2016
6
374-82
]
[
2014
19
2
2
171-209
]
[
2014
36
1
1
111-7
]
[
2018
20
39
39
45-50
]
[
2015
18
2
2
373-83
]
[
2017
18
2
2
58-74
]
[
2018
18
35
35
23
]
[
2016
1
]
[
2009
]
[
2016
18
4
4
275-9
]