Quantitative separation of progestins and estrogens from anovulatory formulations.
D002849:Chromatography, Gas; D002850:Chromatography, Gel; D003276:Contraceptives, Oral / Q000008:administration & dosage / Q000032:analysis*; D004967:Estrogens / Q000008:administration & dosage / Q000032:analysis*; D011372:Progestins / Q000032:analysis*; D013053:Spectrophotometry; D014466:Ultraviolet Rays
D003276:Contraceptives, Oral; D004967:Estrogens; D011372:Progestins