0034-7493
0034-7493
S0034-74932019000300009
Ecuador
00
09
2019
00
09
2019
58
3
[
2008
61
8
8
932-6
]
[
2014
43
4
4
481-98
]
[
2014
97
4
4
259-61
]
[
1999
23
1
1
68-70
]
[
2014
8
4
4
484-8
]
[
2012
8
1
1
1-3
]
[
2003
27
832
]
[
1992
116
277
]
[
1946
56
438
]
[
2006
59
2
2
186-9
]
[
1964
36
95-102
]
[
2014
97
4
4
259-61
]
[
2010
82
3
3
178-80
]
[
2010
48
2
2
73-81
]
[
2015
19
3
3
99-102
]
[
2015
9
10
10
731-3
]
[
2011
5
4
4
47-51
]