title: Serum levels of unconjugated estetrol-(1,3,5(10)-estratrien 1,15 ,16 ,17 -tetrol) during human pregnancy.
mesh_terms: D002247:Carbon Isotopes; D002850:Chromatography, Gel; D003201:Computers; D004964:Estriol / Q000097:blood*; D004967:Estrogens / Q000097:blood*; D005260:Female; D005865:Gestational Age; D006801:Humans; D006914:Hydroxysteroids / Q000097:blood; D011247:Pregnancy; D011863:Radioimmunoassay; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D004967:Estrogens; D006914:Hydroxysteroids; D014316:Tritium; D004964:Estriol