Mass fragmentographic determination of conjugated neutral 17-ketosteroids in peripheral and portal venous blood: effect of ampicillin administration.
D015068:17-Ketosteroids / Q000097:blood*; D000667:Ampicillin / Q000097:blood / Q000494:pharmacology*; D005260:Female; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D006801:Humans; D008593:Menopause; D011169:Portal Vein
D015068:17-Ketosteroids; D000667:Ampicillin