[Bacterial gastroduodenitis and peptic ulcer: causal or chance relationship].
D001424:Bacterial Infections / Q000150:complications*; D004382:Duodenitis / Q000150:complications*; D005756:Gastritis / Q000150:complications*; D006801:Humans; D010437:Peptic Ulcer / Q000150:complications* / Q000209:etiology
Gastroduodenitis bacteriana y úlcera péptica: relación causal o casual.