2304-5132
2304-5132
S2304-51322020000300016
10.31403/rpgo.v66i2280
Perú
Perú
00
07
2020
00
07
2020
66
3
[
ACOG
2008
111
6
6
1479-85
]
[
2018
36
5
5
252-6
]
[
2015
7
8-11
]
[
2019
20
1596600
]
[
1985
210
]
[
2007
109
519-21
]
[
2019
13
1
1
135
]
[
1968
60
366-72
]
[
2018
9
8-9
]
[
2002
99
933-4
]
[
2014
34
90
]
[
1
10a
]
[
2017
23
289-99
]