title: [Analysis of ethinylestradiol in estrogen-progestin combinations for oral use. Quantitative separation and determination by gas chromatography and colorimetry].
mesh_terms: D002849:Chromatography, Gas; D003124:Colorimetry; D003276:Contraceptives, Oral / Q000032:analysis*; D004997:Ethinyl Estradiol / Q000032:analysis*; D008525:Medroxyprogesterone / Q000032:analysis*
chemical_list: D003276:Contraceptives, Oral; D004997:Ethinyl Estradiol; D008525:Medroxyprogesterone
vernacular_title: Analisi dell'etinilestradiolo nelle associazioni estrogeno-progestiniche per uso orale. Separazione quantitative e determinazione gas-cromatografica e colorimetrica.