Oppenheim, B. A., Sefton, A. M., Gill, O. N., Tyler, J. E., O'Mahony, M. C., Richards, J. M., . . . Harrison, T. G. (1987). Widespread Legionella pneumophila contamination of dental stations in a dental school without apparent human infection. Cambridge University Press.

Oppenheim, B. A., A. M. Sefton, O. N. Gill, J. E. Tyler, M. C. O'Mahony, J. M. Richards, P. J. Dennis, and T. G. Harrison. Widespread Legionella Pneumophila Contamination of Dental Stations in a Dental School Without Apparent Human Infection. Cambridge University Press, 1987.

Oppenheim, B. A., et al. Widespread Legionella Pneumophila Contamination of Dental Stations in a Dental School Without Apparent Human Infection. Cambridge University Press, 1987.