2444-6483 2444-6483 S2444-64832020000200036 10.24875/end.m20000177 México 00 06 2020 00 06 2020 32 2 36 43

1 2013 45 142-50 2 ASGE Stards of Practice Committee 2015 81 781-94 3 2002 97 1696-700 4 2014 80 543-62 5 2015 90 520-6 6 2016 83 499-507 7 2012 104 426-31 8 2013 25 74-7 9 2014 26 731-6 10 2006 101 873-85 11 2009 69 620-5 12 2010 72 686-92 13 2010 55 2014-20 14 2016 83 75-9 15 2015 25 183-97 16 2014 12 458-62 17 2004 59 482-86 18 2016 150 396-405 19 2013 56 120-5