0120-9957
0120-9957
S0120-99572021000300377
10.22516/25007440.508
Ecuador
Ecuador
Ecuador
Ecuador
Ecuador
00
09
2021
00
09
2021
36
3
377
382
[
2008
83
4
4
212-9
]
[
2018
33
4
4
421-7
]
[
2012
77
4
4
181-5
]
[
2016
14
1
1
177
]
[
2005
3
1
1
3
]
[
Cancer.Net
2018
]
[
1999
82
2
2
171-4
]
[
2002
31
2
2
625-39
]
[
2005
39-44
]
[
2013
18
2
2
103-4
]
[
2007
5
3
3
183-91
]
[
2016
59
4
4
306-15
]
[
2013
75
^s1
^s1
1
82-5
]
[
2014
46
2
2
97-104
]
[
2007
3
2
2
129-35
]
[
2018
2018
8
8
rjy234
]
[
2016
]
[
2007
14
8
8
2263-9
]
[
2018
68
3
3
471-4
]
[
2010
199
6
6
797-803
]
[
2004
101
3
3
518-26
]
[
2019
11
5
5
461-4
]
[
2014
5
12
12
939-43
]
[
2014
5
12
12
939-43
]