The measurement by gas chromatography-mass spectrometry of oestra-1,3,5-triene-3,15 alpha, 16 alpha, 17 beta-tetrol (oestetrol) in pregnancy urine.
D015065:17-Hydroxycorticosteroids / Q000652:urine; D002849:Chromatography, Gas; D004967:Estrogens / Q000652:urine*; D005260:Female; D006801:Humans; D008722:Methods; D008832:Microchemistry; D011247:Pregnancy; D013057:Spectrum Analysis; D013261:Sterols / Q000652:urine
D015065:17-Hydroxycorticosteroids; D004967:Estrogens; D013261:Sterols