1. Abdel-Aziz, MT, Williams, KH: Metabolism of 17 -ethynylestradiol and its 3-methyl ether by the rabbit; an in vivo D-homoannulation. Steroids, 13: 809, 1969.
2. Abe, T, Kambegawa, A: Urinary and biliary metabolites of 17 -acetoxy-6choloro-4,6,pregnadiene-3,20-dione in the rabbit. Chem Pharm Bull, 22: 2824, 1974.
3. Sisenwine, SF, Kimmel, HB, Liu, Al, Ruelius, HW: Stereoselective biotransformations of dl-norgestrel and its enantiomers in the African green monkey. Drug Metab Disp, 2: 65, 1974.
4. Sisenwine, SF Kimmel, HB, Liu, AL, Ruelius, HW: The metabolic disposition of norgestrel in female rhesus monkeys. Drug Metab Disp, 7: 1, 1979.
5. Cook, CE, Dickey, MC, Christensen, HD: Oxygenated norethindrone derivatives from incubation with beagle liver. Structure, synthesis and biological activity. Drug Metab Disp, 2: 58, 1974.