title: In situ quantitation of norethindrone and mestranol by spectrodensitometry of thin layer chromatograms.
mesh_terms: D002855:Chromatography, Thin Layer; D003276:Contraceptives, Oral / Q000032:analysis; D003720:Densitometry; D005453:Fluorescence; D008656:Mestranol / Q000032:analysis*; D009640:Norethindrone / Q000032:analysis*; D012643:Selenium; D013057:Spectrum Analysis
chemical_list: D003276:Contraceptives, Oral; D008656:Mestranol; D012643:Selenium; D009640:Norethindrone