2312-3893
2312-3893
S2312-38932019000100134
10.18004/rvspmi/2312-3893/2019.06(01)134-141
Ecuador
Ecuador
Ecuador
01
03
2019
01
03
2019
6
1
134
141
[
2017
]
[
2018
]
[
2017
69
11
11
2335
]
[
2018
]
[
2015
373
9
9
864-73
]
[
2018
]
[
2007
43
2
2
92-100
]
[
2004
114
11
11
1960-3
]
[
2007
357
21
21
2153-65
]
[
2002
69
9
9
829
]
[
2014
28
2
2
293-306
]
[
2019
]
[
2013
94
4
4
22-4
]
[
2018
]
[
2001
164
10
10
1885-9
]
[
2009
35
5
5
249-51
]
[
2009
]
[
2017
]