[Experimental measurement of the real reduction (PAR) of seven ear plugs]
{{output}}
The study aimed to evaluate, through the use of the EA-RfitTM Validation System, the real reduction (PAR) for the right ear (AuD), for the left ear (AuS) and biaural reduction related to each of the seven earplugs currently produced by 3M. In addition, we want... ...
