Assay of ethylestrenol in urine by isotope dilution--mass spectrometry.
D003903:Deuterium; D005032:Ethylestrenol / Q000652:urine*; D005260:Female; D006801:Humans; D007201:Indicator Dilution Techniques; D008297:Male; D013058:Mass Spectrometry
D005032:Ethylestrenol; D003903:Deuterium