1729-519X
1729-519X
S1729-519X2020000500011
Ecuador
Ecuador
Ecuador
Ecuador
00
08
2020
00
08
2020
19
4
[
2017
43
1
1
]
[
2019
7
2
2
53-6
]
[
2019
45
1
1
]
[
2017
78
4
4
430-4
]
[
2017
40
1
1
49-52
]
[
2016
54
1
1
22-6
]
[
2018
54
3
3
1-14
]
[
2012
80
4
4
295-9
]
[
2014
40
4
4
211-7
]
[
2017
60
6
6
586-9
]
[
2013
24
4
4
166-9
]
[
2007
72
3
3
154-9
]
[
2015
61
1
1
45-50
]