Hoffman, P. N.; Weinbren, M. J.; Stuart, S. A. (2004). "A practical lesson in negative-pressure isolation ventilation". The Journal of Hospital Infection. 57 (4): 345–6. doi:10.1016/j.jhin.2004.04.013. PMID15262397.
Hoffman, P. N.; Weinbren, M. J.; Stuart, S. A. (2004). "A practical lesson in negative-pressure isolation ventilation". The Journal of Hospital Infection. 57 (4): 345–6. doi:10.1016/j.jhin.2004.04.013. PMID15262397.