title: Absence of seasonal variations in peptic ulcer activity and bleeding from peptic ulcer.
authors.forename: M F
authors.initials: MF
authors.lastname: García Sepulcre
authors.forename: J F
authors.initials: JF
authors.lastname: Martinez Sempere
authors.forename: J A
authors.initials: JA
authors.lastname: Casellas Valdé
authors.forename: F
authors.initials: F
authors.lastname: Carnicer Jáuregui
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000453:epidemiology* / Q000503:physiopathology; D010438:Peptic Ulcer Hemorrhage / Q000453:epidemiology* / Q000503:physiopathology; D012621:Seasons; D013030:Spain / Q000453:epidemiology