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. 2016 Feb 24;13(4):265–274. doi: 10.1080/15459624.2015.1116692

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Figure 1. — Distribution of test subjects from Visit 1 (n = 195) in the NIOSH bivariate respirator fit test panel showing cell number and number of subjects in each cell in parentheses. (Two subjects had measurements which were outside of the boundaries of the panel. These two data points appear below cell #2.)