Back, D J The in vitro metabolism of ethinyloestradiol, mestranol and levonorgestrel by human jejunal mucosa. [electronic resource] - British journal of clinical pharmacology Mar 1981 - 275-8 p. digital Publication Type: Journal Article ISSN: 0306-5251 Standard No.: 10.1111/j.1365-2125.1981.tb00534.x doi Subjects--Topical Terms: AdultEthinyl Estradiol--metabolismFemaleHumansIntestinal Mucosa--metabolismJejunum--metabolismLevonorgestrelMaleMestranol--metabolismMiddle AgedNorgestrel--metabolism