title: The potency of Weybridge purified protein derivative of bovine tuberculin.
mesh_terms: D000818:Animals; D002417:Cattle; D006168:Guinea Pigs; D014373:Tuberculin / Q000592:standards*; D014374:Tuberculin Test; D014379:Tuberculosis, Avian / Q000276:immunology; D014380:Tuberculosis, Bovine / Q000276:immunology
chemical_list: D014373:Tuberculin