Temporal changes in filtering-facepiece respirator fit.
Zhuang Z, Bergman M, Brochu E, Palmiero A, Niezgoda G, He X, Roberge R, Shaffer R.
Zhuang Z, et al. Among authors: shaffer r.
J Occup Environ Hyg. 2016;13(4):265-74. doi: 10.1080/15459624.2015.1116692.
J Occup Environ Hyg. 2016.
PMID: 26576713
Free PMC article.