title: Skin test antigens: an evaluation whose time has come.
mesh_terms: D000941:Antigens / Q000592:standards*; D003046:Coccidioidin / Q000592:standards; D006659:Histoplasmin / Q000592:standards; D012882:Skin Tests; D014373:Tuberculin / Q000592:standards; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000941:Antigens; D014373:Tuberculin; D003046:Coccidioidin; D006659:Histoplasmin