title: Upper GI bleeding.
authors.affiliation: Katowice, Poland.
authors.forename: A
authors.initials: A
authors.lastname: Nowak
authors.forename: A F
authors.initials: AF
authors.lastname: Belsaguy
authors.forename: Z
authors.initials: Z
authors.lastname: Yu
authors.forename: K
authors.initials: K
authors.lastname: Hashiba
authors.forename: I
authors.initials: I
authors.lastname: Mostafa
authors.forename: S
authors.initials: S
authors.lastname: Chung
mesh_terms: D000208:Acute Disease; D004630:Emergencies; D020776:Endoscopes, Gastrointestinal; D016099:Endoscopy, Gastrointestinal / Q000379:methods; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000628:therapy; D006723:Hong Kong; D006801:Humans; D011044:Poland; D013997:Time Factors