Space and the sputum inducer.
D003428:Cross Infection / Q000517:prevention & control; D004864:Equipment and Supplies; D006801:Humans; D008722:Methods; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification; D013048:Specimen Handling; D013183:Sputum / Q000382:microbiology*; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis; D014466:Ultraviolet Rays; D014691:Ventilation