1817-5996
1817-5996
S1817-59962020000100002
Ecuador
Ecuador
Ecuador
00
04
2020
00
04
2020
22
1
[
2017
19
^s1)
^s1)
1)
213-9
]
[
2015
17
^s1
^s1
1
1
]
[
2016
18
2
2
100-2
]
[
2017
12
25
25
1429-39
]
[
2014
81
1
1
]
[
2015
48
1
1
1-17
]
[
2017
16
6
6
946-60
]
[
2002
44
]
[
2018
]
[
2016
4
4
4
]
[
2015
]
[
2013
51
2
2
e1-5
]