0016-7169
0016-7169
S0016-71692015000300245
10.1016/j.gi.2015.04.020
MX
MX
00
09
2015
00
09
2015
54
3
245
254
[
1993
]
[
2012
]
[
1997
2a
369
]
[
2012
51
2
2
293-7
]
[
2001
15
200-22
]
[
1975
11
725-41
]
[
1999
]
[
1998
]
[
2005
41
15
]
[
2010
1rs
]
[
2011
13
9-12
]
[
2010
46
W03535
]
[
2002
26
]
[
2007
45
5
5
531-41
]
[
2005
372
]
[
1996
124
2898-913
]