Determination of ethynylestradiol and norethindrone in synthetic intestinal fluid and in timed-release oral formulations.
Swynnerton
N F
NF
Fischer
J B
JB
D019411:Clinical Laboratory Techniques; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003278:Contraceptives, Oral, Hormonal; D003933:Diagnosis; D004997:Ethinyl Estradiol; D005193:Family Planning Services; D066298:In Vitro Techniques; D009640:Norethindrone; D012106:Research
D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003278:Contraceptives, Oral, Hormonal; D004997:Ethinyl Estradiol; D009640:Norethindrone
Clinical Research; Contraception; Contraceptive Agents, Estrogen--analysis; Contraceptive Agents, Female--analysis; Contraceptive Agents, Progestin--analysis; Contraceptive Agents--analysis; Ethinyl Estradiol--analysis; Examinations And Diagnoses; Family Planning; In Vitro; Laboratory Examinations And Diagnoses; Laboratory Procedures; Norethindrone--analysis; Research Methodology