2072-8174
2072-8174
S2072-81742019000100089
10.18004/rdn2019.0011.01.089-098
Ecuador
Paraguay
Venezuela
Ecuador
Ecuador
00
06
2019
00
06
2019
11
1
89
98
[
2000
118
5
5
954-68
]
[
American Gastroenterological Association
2000
118
5
5
951-3
]
[
2003
17
3
3
457-73
]
[
1992
35
6
6
613-23
]
[
1999
134
3
3
328-30
]
[
2002
849-62
]
[
2007
46
3
3
467-74
]
[
2010
23
1
1
9-20
]
[
2013
39
5
5
279-81
]
[
2010
28
4
4
1227-34
]
[
1999
136
3
3
130-5
]
[
2016
1
3
3
238-47
]
[
2015
67
2
2
133-9
]
[
2012
109
14
14
249-56
]
[
2004
19
4
4
291-5
]
[
Mier y Díaz J.Blanco-Benavides R
2000
65
3
3
134-40
]
[
2010
23
1
1
4-8
]
[
Santolaria Piedrafita S
2006
29
10
10
636-46
]
[
2012
27
2
2
129-38
]
[
2006
130
2 Suppl 1
2 Suppl 1
S138-46
]