1684-1824
1684-1824
S1684-18242021000501360
Cuba
Cuba
Cuba
00
10
2021
00
10
2021
43
5
1360
1370
[
2013
1
2
2
]
[
2017
6
]
[
2017
13
4
4
365-7
]
[
2020
4
213-24
]
[
2017
9
3
3
39-45
]
[
Educ Méd Super
2002
16
1
1
7-8
]
[
2011
53
53
24-8
]
[
2000
11
19
19
]
[
2020
28
esp. COVID-19
esp. COVID-19
13-9
]
[
2020
]
[
2020
9
2
2
334-53
]
[
2020
13
2
2
92-104
]
[
2020
8
1
1
]
[
2020
8
SPE3
SPE3
]
[
2020
42
3
3
1862-81
]