1608-8921
1608-8921
S1608-89212020000300018
Cuba
Cuba
00
12
2020
00
12
2020
22
3
18
26
[
2020
19
^sSupl.
^sSupl.
Supl.
]
[
2020
]
[
2020
]
[
2020
34
5
5
907-1121
]
[
2020
13
2
2
166-70
]
[
2020
34
Esp Covid-19
Esp Covid-19
34-41
]
[
2020
21
3
3
307-11
]
[
2020
58
1
1
5-7
]
[
2020
183
1
1
71-7
]
[
2020
92
6
6
374-5
]