1990-8644
1990-8644
S1990-86442021000400387
Cuba
Ecuador
00
08
2021
00
08
2021
17
81
387
395
[
Asociación Médica Mundial
2013
]
[
2007
21
2
2
]
[
2017
15
1
1
41-56
]
[
2018
]
[
2013
]
[
2019
33
1
1
1-19
]
[
2017
18
4
4
249-53
]
[
2017
]
[
2016
]
[
2019
]
[
2017
]
[
2016
5
20
20
261-7
]
[
2018
]
[
2017
5
3
3
38-51
]
[
2017
]
[
2017
]
[
2014
14
3
3
1-8
]
[
2014
18
3
3
491-9
]
[
2014
18
2
2
283-96
]
[
2016
]