title: A simultaneous determination of pregnanetriol and pregnanediol by gas--liquid chromatography.
mesh_terms: D001322:Autoanalysis; D002845:Chromatography; D002849:Chromatography, Gas; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008433:Mathematics; D008722:Methods; D011247:Pregnancy; D011276:Pregnanediol / Q000652:urine*; D011279:Pregnanetriol / Q000652:urine*; D013997:Time Factors
chemical_list: D011279:Pregnanetriol; D011276:Pregnanediol