Tryptophan metabolism in patients with bladder cancer: geographical differences.
D006801:Humans; D008404:Massachusetts; D008722:Methods; D009784:Occupational Diseases / Q000378:metabolism; D014364:Tryptophan / Q000378:metabolism* / Q000652:urine; D014505:Urban Population; D001749:Urinary Bladder Neoplasms / Q000378:metabolism*; D014922:Wisconsin
D014364:Tryptophan