A new placental metabolite of oestr-4-ene-3,17-dione: a possible source of error in oestrogen estimation.
D015068:17-Ketosteroids / Q000032:analysis*; D000728:Androgens / Q000378:metabolism*; D002247:Carbon Isotopes; D002854:Chromatography, Paper; D004967:Estrogens / Q000032:analysis*; D006801:Humans; D066298:In Vitro Techniques; D010920:Placenta / Q000378:metabolism*; D014316:Tritium
D015068:17-Ketosteroids; D000728:Androgens; D002247:Carbon Isotopes; D004967:Estrogens; D014316:Tritium