2631-2581
2631-2581
S2631-25812017000200243
Ecuador
Ecuador
Ecuador
Ecuador
00
12
2017
00
12
2017
26
3
243
250
[
CBTRUS
2015
17
suppl 4
suppl 4
iv1-iv62
]
[
2016
152
2
2
158-62
]
[
2013
29
10
10
1883-91
]
[
2015
16
4
4
357-66
]
[
2013
34
2
2
63-78
]
[
2014
30
3
3
491-6
]
[
2014
117
2
2
359-64
]
[
2012
43
10
10
1668-76
]
[
2016
17
1
1
57-65
]
[
2015
31
10
10
1699-706
]
[
2017
27
1
1
1-37
]
[
2016
84
6
6
447-53
]
[
2015
7
4
4
256-8
]