De Aloysio D, Farello P, Lodi S, Venturoli S
Acta Eur Fertil. 1977 Jun;8(2):175-84.
The plasma concentration of delta4-androstenedione has been assayed by a radioimmunological method, preceded by chromatographic purfication, in 11 normal adult and 4 adult castrated males at various times of day. The circadian variations observed are critically evaluated.
采用放射免疫法,在色谱纯化后,于一天中的不同时间对11名正常成年男性和4名成年去势男性的血浆δ4-雄烯二酮浓度进行了测定。对观察到的昼夜变化进行了严格评估。