title: Cimetidine and gastric carcinoma.
mesh_terms: D002927:Cimetidine / Q000627:therapeutic use*; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000175:diagnosis*; D013276:Stomach Ulcer / Q000188:drug therapy*
chemical_list: D006146:Guanidines; D002927:Cimetidine