Training and Fit Testing of Health Care Personnel for Reusable Elastomeric Half-Mask Respirators Compared with Disposable N95 Respirators
Pompeii, L. A., Kraft, C. S., Brownsword, E. A., Lane, M. A., Benavides, E., Rios, J., & Radonovich, L. J., Jr.
The Journal of the American Medical Association (JAMA), 323(18):1849-1852