Comparison of an ultraviolet spectrophotometric assay and a gas-liquid chromatographic assay for 17-alpha-ethynylestradiol 3-methyl ether in tablets.
D002849:Chromatography, Gas; D008656:Mestranol / Q000032:analysis*; D009640:Norethindrone / Q000032:analysis*; D013053:Spectrophotometry; D013607:Tablets; D014466:Ultraviolet Rays
D013607:Tablets; D008656:Mestranol; D009640:Norethindrone