1909-0455
1909-0455
S1909-04552020000100082
10.22507/pml.v15n1a6
Colombia
00
06
2020
00
06
2020
15
1
82
92
[
2014
14
2
2
5265
]
[
2014
]
[
1994
23
]
[
2011
62-71
]
[
1997
]
[
2012
]
[
2006
221-9
]
[
2017
81
]
[
2008
3
2
2
57-82
]
[
1989
]
[
2017
]
[
2006
]
[
2011
]
[
2002
2(4)
2(4)
299-301
]
[
1987
]
[
2013
8
2
2
18-37
]
[
OMS
1999
]
[
2010
]
[
2015
]
[
1971
1971
1971
]
[
1995
19-34
]
[
2015
]
[
2011
76-83
]