title: The use of polyamide for thin-layer chromatographic separation of steroids.
mesh_terms: D000577:Amides; D002855:Chromatography, Thin Layer; D004964:Estriol / Q000302:isolation & purification; D005782:Gels; D008722:Methods; D011108:Polymers; D012822:Silicon Dioxide; D013256:Steroids / Q000032:analysis*
chemical_list: D000577:Amides; D005782:Gels; D011108:Polymers; D013256:Steroids; D012822:Silicon Dioxide; D004964:Estriol