title: ISOLATION OF AN ESTRIOL PRECURSOR, 16ALPHA-HYDROXYDENHYDROEPIANDROSTERONE, FROM HUMAN UMBILICAL SERA.
mesh_terms: D001769:Blood; D002845:Chromatography; D004964:Estriol; D005260:Female; D006801:Humans; D010827:Physiology; D010920:Placenta; D011247:Pregnancy; D013057:Spectrum Analysis; D013256:Steroids; D014470:Umbilical Cord
chemical_list: D013256:Steroids; D004964:Estriol
keywords: BLOOD; CHROMATOGRAPHY; ESTRIOL; PHYSIOLOGY; PLACENTA; PREGNANCY; SPECTRUM ANALYSIS; STEROIDS; UMBILICAL CORD