0121-0319
0121-0319
S0121-03192021000200029
10.18273/revmed.v34n2-2021003
Venezuela
Venezuela
00
08
2021
00
08
2021
34
2
29
39
[
2019
9
4
4
165-78
]
[
2017
8
]
[
2017
33
1
1
24-34
]
[
2014
25
4
4
196-203
]
[
2021
19
1
1
1-27
]
[
2017
7
2
2
89-98
]
[
2020
]
[
2016
14
1
1
70-7
]
[
2012
138
12
12
505-11
]
[
2008
39
4
4
9-17
]
[
2013
60
]
[
2011
4
1
1
32-41
]
[
2012
23
1
1
5-14
]
[
2015
32
6
6
725-37
]
[
2017
56
1
1
3-6
]
[
2017
1-8
]
[
2015
31
1
1
19-24
]
[
2017
8
2
2
1668-76
]
[
2017
2
5
5
211-22
]
[
2019
7
2
2
27-38
]
[
2019
6
1
1
63-74
]
[
2007
9
2
2
99-107
]
[
2014
20
80
80
119-44
]
[
2019
30
1
1
18-22
]
[
2016
39
12
12
2174-81
]
[
2016
23
2
2
43-7
]
[
2019
32
11
11
63-76
]
[
2018
7
2
2
12-21
]
[
2018
27
2
2
31-49
]
[
2019
38
1-2
1-2
119-38
]
[
WHO
2003
]
[
2002
4
]
[
2006
4
]
[
2003
45
4
4
259-68
]
[
2002
]
[
2016
21
3
3
191-200
]
[
1998
24
4
4
531-8
]
[
2011
10
1
1
197-210
]
[
2000
20
6
6
477-565
]
[
2002
11
5/6
5/6
327-34
]
[
2019
9
2
2
7-8
]
[
2014
14
6
6
491-505
]
[
2019
7
1
1
235-62
]
[
2012
2
2
2
91-8
]