title: Carcinoma of the bladder, 5-fluorouracil and the critical role of a placebo. A cooperative group report. I.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D005472:Fluorouracil / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D008875:Middle Aged; D009362:Neoplasm Metastasis; D010919:Placebos; D001749:Urinary Bladder Neoplasms / Q000188:drug therapy*
chemical_list: D010919:Placebos; D005472:Fluorouracil