[On the transformation of peptic ulcer into cancer. (Frequency in ulcers and primary cancers of the stomach)].
D006801:Humans; D013274:Stomach Neoplasms / Q000209:etiology*; D013276:Stomach Ulcer / Q000150:complications*
Sulla trasformazione in cancro dell'ulcera peptica. (Frequenza in rapporto alle ulcere e ai cancri primari dello stomaco)