title: A comparison of the ability of protoplasm and culture filtrate (PPD) antigens from Mycobacterium tuberculosis, M. kansasii and M. batteyi to elicit delayed reactions in infected guinea pigs.
mesh_terms: D000818:Animals; D000941:Antigens; D003593:Cytoplasm / Q000276:immunology*; D005260:Female; D006168:Guinea Pigs; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology*; D009161:Mycobacterium / Q000276:immunology*; D009163:Mycobacterium bovis / Q000276:immunology; D009169:Mycobacterium tuberculosis / Q000276:immunology; D012882:Skin Tests
chemical_list: D000941:Antigens