title: [Threshold and suprathreshold audiometric research on railroad transport workers].
authors.forename: K S
authors.initials: KS
authors.lastname: Tanchev
mesh_terms: D000328:Adult; D001299:Audiometry; D001309:Auditory Threshold; D002031:Bulgaria; D006801:Humans; D008297:Male; D008875:Middle Aged; D011890:Railroads
vernacular_title: Porogovye i nadporogovye audiometricheskie issledovaniia rabotnikov zheleznodorozhnogo transporta.