title: High risk ulcer bleeding: when is second-look endoscopy recommended?
authors.affiliation: Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong, China.
authors.forename: Philip Wai Yan
authors.initials: PW
authors.lastname: Chiu
authors.forename: Joseph Jao Yiu
authors.initials: JJ
authors.lastname: Sung
mesh_terms: D000368:Aged; D004724:Endoscopy; D006470:Hemorrhage / Q000209:etiology* / Q000401:mortality / Q000601:surgery*; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000150:complications* / Q000175:diagnosis* / Q000401:mortality / Q000601:surgery; D016032:Randomized Controlled Trials as Topic; D012306:Risk; D013525:Surgical Instruments