title: Quantitative analysis of ethisterone and ethynyl oestradiol preparations by high-performance liquid chromatography.
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D004563:Electrochemistry; D004997:Ethinyl Estradiol / Q000032:analysis*; D005003:Ethisterone / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet / Q000379:methods; D013607:Tablets / Q000032:analysis
chemical_list: D013607:Tablets; D004997:Ethinyl Estradiol; D005003:Ethisterone