Abstract Purpose We investigated the effects of a surgical mask and an N95 mask on speech intelligibility using explicit and ambiguous sentences in Japanese. In addition. the effects of background noise specific to an operating room environment on the speech intelligibility of these sentences were also investigated. Methods We created 20 sets of five sentences; 10 sets consisting of e... https://www.getpureroutine.com/hot-offer-rosy-teacups-dogwood-discount-best-super/