1659-4932
1659-4932
S1659-49322020000200004
10.22458/rna.v11i2.2726
Ecuador
00
12
2020
00
12
2020
11
2
[
2019
73
34-65
]
[
2011
]
[
1979
4
497-505
]
[
1985
28
3
3
664-71
]
[
2009
2
1
1
2-17
]
[
2007
10
20
20
87-102
]
[
2007
]
[
1995
20
1
1
65-91
]
[
1984
26
2
2
53
]
[
1970
122-6
]
[
2008
44
1
1
38-59
]
[
2014
]
[
2005
11
3-4
3-4
91-103
]
[
2002
80
12
12
49-62
]
[
2015
60
1
1
486-506
]
[
2015
21
1
1
129-38
]
[
1957
25
84-110
]
[
2013
]
[
2012
]
[
1975
17
3
3
58-64
]
[
2012
]
[
2013
10
1
1
55-73
]
[
2016
3
8
8
452-66
]
[
1991
16
691-718
]