Nalidixic acid and urinary steroids.
D015068:17-Ketosteroids / Q000652:urine*; D000328:Adult; D003404:Creatinine / Q000652:urine; D005260:Female; D006801:Humans; D008297:Male; D009268:Nalidixic Acid / Q000494:pharmacology*
D015068:17-Ketosteroids; D009268:Nalidixic Acid; D003404:Creatinine