4Everhart JE,Ruhl CE.Burden of digestive diseases in the United States part I:overall and upper gastrointestinal diseases[J].Gastroenterology,2009,136(2):376-386.
5Komanduri S,Abu Dayyeh BK,Bhat YM,et al.Technologies for monitoring the quality of endoscope reprocessing[J].Gastrointest Endosc,2014,80(3):369-373.
