0034-7531
0034-7531
S0034-75312020000200016
Ecuador
Cuba
00
06
2020
00
06
2020
92
2
[
2015
40
1
1
241-2
]
[
2017
42
2
2
75-7
]
[
2017
4
2
2
52-8
]
[
2016
49
10
10
536-41
]
[
2016
59
10
10
1006-2
]
[
2016
22
1
1
361-8
]
[
2018
8
6
6
]
[
2016
176
1
1
23-35
]
[
2016
167
1469-80
]
[
2017
28
1
1
]
[
2017
9
]
[
2018
90
1
1
94-110
]
[
2018
1420
1
1
5-25
]
[
2019
68
111-7
]
[
2015
203-9
]
[
2015
18
6
6
552-8
]
[
2017
124-36
]
[
2017
]
[
2017
47
480-9
]
[
2018
18
11
11
81
]
[
2019
20
9
9
]
[
2017
25
11-2
]
[
2019
177
6
6
1600-18
]
[
2019
1
1
5821
]
[
2015
26
1
1
]
[
2015
6
207-13
]
[
2019
43
]
[
2017
5
1
1
10
]
[
2016
22
10093-102
]
[
2018
66
^s1
^s1
1
S109-14
]
[
2017
26
9
9
1081-92
]
[
2015
26
29719
]
[
2019
32
2
2
]
[
2019
4
4
4
623-32
]
[
2019
]
[
2019
]
[
2018
15
1
1
36-59
]