2218-3620
2218-3620
S2218-36202021000400207
Ecuador
00
08
2021
00
08
2021
13
4
207
217
[
2013
39
2
2
7-24
]
[
2021
33
33
139-55
]
[
2013
]
[
2004
]
[
2017
5
2
2
321-57
]
[
2021
13
^sS1
^sS1
S1
443-51
]
[
2021
8
SPE2
SPE2
]
[
2020
16
76
76
369-76
]
[
2009
33
3
3
593-617
]
[
2011
7
2
2
195-218
]
[
2017
3
1
1
201-15
]
[
2020
14
1
1
7-14
]
[
2021
5
2
2
1-7
]