title: [Efficiency of acoustic noise protection].
authors.forename: S P
authors.initials: SP
authors.lastname: Dragan
authors.forename: V N
authors.initials: VN
authors.lastname: Zinkin
authors.forename: A V
authors.initials: AV
authors.lastname: Bogomolov
authors.forename: S K
authors.initials: SK
authors.lastname: Soldatov
authors.forename: S V
authors.initials: SV
authors.lastname: Drozdov
mesh_terms: D004430:Ear Protective Devices; D006801:Humans; D008962:Models, Theoretical; D009622:Noise / Q000517:prevention & control*