title: Identification by gas chromatography-mass spectrometry of intermediates in the aromatization of modified C19 steroids by human placental microsomes.
mesh_terms: D000535:Aluminum; D000735:Androstenedione / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000378:metabolism; D002845:Chromatography; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D003460:Crystallization; D004958:Estradiol / Q000096:biosynthesis; D004970:Estrone / Q000096:biosynthesis; D005260:Female; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008861:Microsomes / Q000032:analysis / Q000378:metabolism*; D008970:Molecular Weight; D010920:Placenta / Q000032:analysis / Q000166:cytology / Q000378:metabolism*; D011247:Pregnancy; D013056:Spectrophotometry, Ultraviolet; D013250:Steroid Hydroxylases / Q000378:metabolism; D013256:Steroids / Q000096:biosynthesis; D013739:Testosterone / Q000031:analogs & derivatives* / Q000378:metabolism; D013997:Time Factors
chemical_list: D013256:Steroids; D004970:Estrone; D013739:Testosterone; D000735:Androstenedione; D004958:Estradiol; D000535:Aluminum; D013250:Steroid Hydroxylases