title: EXTRACELLULAR ANTIGENS OF NOCARDIA ASTEROIDES. I. PRODUCTION AND IMMUNOLOGIC CHARACTERIZATION.
mesh_terms: D000818:Animals; D000941:Antigens; D002417:Cattle; D003168:Complement Fixation Tests; D007793:Lagomorpha; D009615:Nocardia; D009617:Nocardia Infections; D009616:Nocardia asteroides; D011233:Precipitin Tests; D011817:Rabbits; D012106:Research; D012882:Skin Tests
chemical_list: D000941:Antigens
keywords: ANTIGENS; CATTLE; COMPLEMENT FIXATION TESTS; EXPERIMENTAL LAB STUDY; NOCARDIA; PRECIPITIN TESTS; RABBITS; SKIN TESTS