title: [Demonstration and isolation of semisynthetic penicillins. I].
mesh_terms: D002855:Chromatography, Thin Layer; D008722:Methods; D010406:Penicillins / Q000032:analysis* / Q000302:isolation & purification
chemical_list: D010406:Penicillins
vernacular_title: Dôkaz a rozlísenie polosyntetických penicilínov.