Non-specific sensitization to old tuberculin: cultural studies.
D001431:Bacteriological Techniques; D009161:Mycobacterium; D009169:Mycobacterium tuberculosis; D009615:Nocardia; D014373:Tuberculin
D014373:Tuberculin
BACTERIOLOGICAL TECHNICS; MYCOBACTERIUM; MYCOBACTERIUM TUBERCULOSIS; NOCARDIA