title: [International standardization of the biological activity of chlortetracycline].
mesh_terms: D000362:Agar; D001412:Bacillus subtilis / Q000187:drug effects; D002751:Chlortetracycline / Q000494:pharmacology / Q000592:standards*; D005779:Immunodiffusion; D014944:World Health Organization
chemical_list: D000362:Agar; D002751:Chlortetracycline
vernacular_title: Opyt mezhdunarodnoĭ standartizatsii étalona biologicheskoĭ aktivnosti khlortetratsiklina.