Adjusted and unadjusted subscale results were also similar ( Table 5 ); only two scores shifted from marginally significant to non-significant: prototype A1 compared to the 3M 1870 on the discomfort subscale and prototype B2 compared to the 3M 1860 on the wearing experience subscale.
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A tolerability assessment of new respiratory protective devices developed for health care personnel: A randomized simulated clinical study.
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