title: Collaborative assay of EEC standards for bovine tuberculins.
mesh_terms: D000818:Animals; D001681:Biological Assay / Q000379:methods*; D002417:Cattle; D006168:Guinea Pigs; D006801:Humans; D012015:Reference Standards; D012107:Research Design; D014373:Tuberculin / Q000592:standards*; D014374:Tuberculin Test / Q000592:standards
chemical_list: D014373:Tuberculin