title: Cimetidine therapy does not affect fecal occult blood testing.
mesh_terms: D000293:Adolescent; D000328:Adult; D002927:Cimetidine / Q000627:therapeutic use*; D005189:False Positive Reactions; D005243:Feces / Q000032:analysis; D005260:Female; D005750:Gastric Juice / Q000032:analysis; D006146:Guanidines / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008551:Melena / Q000175:diagnosis; D008875:Middle Aged; D009780:Occult Blood
chemical_list: D006146:Guanidines; D002927:Cimetidine