2444-6483 2444-6483 S2444-64832020000600664 10.24875/end.m20000312 México 00 00 2020 00 00 2020 32 664 672

1 2015 7 2 2 128-34 2 ASGE Standards of Practice Committee 2010 71 1-9 3 2017 4 2016 5 2016 6 2015 7 4 4 70-8 7 2016 8 2008 22 1620-4 9 2017 19 126-32 10 2014 96 224-8