[On the association of cancer of the stomach and ulcer of the duodenum].
D004386:Duodenum; D006801:Humans; D009369:Neoplasms; D010437:Peptic Ulcer / Q000150:complications*; D013274:Stomach Neoplasms / Q000473:pathology*; D014456:Ulcer
PEPTIC ULCER/complications; STOMACH NEOPLASMS/pathology