title: Collection and preservation of a 24-h pregnancy urine, for the gas-chromatographic determination of pregnanediol and oestriol.
mesh_terms: D002849:Chromatography, Gas; D002940:Circadian Rhythm; D004355:Drug Stability; D004964:Estriol / Q000652:urine*; D005260:Female; D006358:Hot Temperature; D006801:Humans; D008722:Methods; D011247:Pregnancy; D011276:Pregnanediol / Q000652:urine*; D012908:Snails; D013048:Specimen Handling
chemical_list: D004964:Estriol; D011276:Pregnanediol