0028-3746
0028-3746
S0028-37462016000400291
Guatemala
00
12
2016
00
12
2016
75
4
291
295
[
2015
7
7
CD009919
]
[
2015
8
5
5
7930-6
]
[
2008
3
1768-76
]
[
]
[
2008
22
3
3
207-11
]
[
2010
88
3
3
180-6
]
[
2012
1
3
3
215-8
]
[
2011
9
6
6
478-81
]
[
2013
25
1
1
40-4
]
[
2000
39
2
2
124-30
]
[
2012
215
2
2
201-5
]
[
2015
83
4
4
339-44
]
[
2009
33
1
1
14-22
]
[
2015
147
6
6
e199-204
]
[
2015
99
e25-7
]
[
2012
28
4
4
306-10
]
[
2016
8
3
3
490-8
]