1405-5546
1405-5546
S1405-55462017000200325
10.13053/cys-21-2-2722
Ecuador
00
06
2017
00
06
2017
21
2
325
336
[
1998
393
6684
6684
440–442
]
[
2000
]
[
2001
270–284
]
[
2010
135–144
]
[
2007
372–385
]
[
2010
32–47
]
[
2000
406
6798
6798
845–845
]
[
2015
370–374
]
[
2015
1216– 1219
]
[
2016
88–94
]
[
2017
20
1
1
149–173
]
[
2015
11
34–45
]
[
2016
]