title: Cimetidine and malignant gastric ulcers.
mesh_terms: D000328:Adult; D000368:Aged; D002927:Cimetidine / Q000627:therapeutic use*; D003937:Diagnosis, Differential; D005260:Female; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D008223:Lymphoma / Q000473:pathology*; D008297:Male; D013274:Stomach Neoplasms / Q000473:pathology*; D013276:Stomach Ulcer / Q000188:drug therapy*
chemical_list: D006146:Guanidines; D002927:Cimetidine