[Helicobacter pylori and peptic ulcer hemorrhage].
Ballesteros Amozurrutia
Mario Arturo
MA
Hospital Angeles del Pedregal, México DF.
D016481:Helicobacter Infections / Q000150:complications*; D016480:Helicobacter pylori; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000209:etiology*