2709-7927
2709-7927
S2709-79272021000200333
Cuba
Cuba
00
06
2021
00
06
2021
15
2
333
345
[
2017
377
18
18
]
[
2019
7
2
2
]
[
2017
2017
]
[
2017
44
6
6
]
[
2016
7
4
4
]
[
2016
14
5
5
]
[
2018
8
2
2
]
[
2018
45
5
5
]
[
2018
135
1
1
]
[
2017
69
2
2
]
[
2018
69
10
10
]
[
2019
39
4
4
]
[
2015
26
1
1
]
[
2016
74
6
6
]
[
2017
28
3
3
]
[
2017
43
^s2
^s2
2
]
[
2017
76
4
4
]
[
2018
44
2
2
]
[
2018
44
2
2
]
[
2008
61
1
1
]
[
2017
21
3
3
]
[
2018
109
4
4
]
[
2017
27
3
3
]
[
2017
21
2
2
]
[
2017
41
1
1
]
[
2017
41
4
4
]
[
2016
8
2
2
]
[
2016
42
1
1
]
[
2015
60
4
4
]
[
2016
6
3
3
]
[
2013
23
1
1
]
[
2001
58
6
6
]
[
2018
17
4
4
]
[
2014
1
2
2
]
[
2001
29
4
4
]
[
2018
28
28
]
[
2011
37
5
5
]
[
2019
45
6
6
]
[
2015
38
5-6
5-6
]
[
2015
7
3^s1
3^s1
1
]