0034-7507
0034-7507
S0034-75072021000300007
Cuba
Peru
Peru
Cuba
Perú
00
09
2021
00
09
2021
58
3
[
2020
18
3
3
]
[
2020
76
71-6
]
[
2020
12
3
3
291-5
]
[
2020
]
[
2020
45
4
4
]
[
2020
21
46-7
]
[
2020
10
6
6
207-12
]
[
2020
34
]
[
2020
22
3
3
69-86
]
[
2020
57
3
3
]
[
2020
23
3
3
357-8
]
[
2020
23
2
2
203-6
]
[
2020
84
6
6
718-22
]
[
2020
8
]
[
2020
]
[
2021
40
1
1
]
[
2020
37
2
2
169-75
]
[
2019
16
15
15
27-35
]
[
2018
9
9
323‐33
]
[
2020
59
278
278
]