title: Further studies on the gas-liquid chromatographic determination of C19-steroids in human plasma using nickel-63 electron capture detection.
mesh_terms: D015068:17-Ketosteroids / Q000097:blood*; D002247:Carbon Isotopes; D002623:Chemistry Techniques, Analytical; D002849:Chromatography, Gas; D003687:Dehydroepiandrosterone / Q000097:blood*; D005260:Female; D006801:Humans; D008598:Menstruation; D009532:Nickel; D011868:Radioisotopes; D013739:Testosterone / Q000097:blood*; D014316:Tritium
chemical_list: D015068:17-Ketosteroids; D002247:Carbon Isotopes; D011868:Radioisotopes; D014316:Tritium; D013739:Testosterone; D003687:Dehydroepiandrosterone; D009532:Nickel