[Audiometric study of workers engaged in the production of alumina].
D000328:Adult; D000535:Aluminum; D000537:Aluminum Oxide; D001299:Audiometry; D034381:Hearing Loss / Q000175:diagnosis*; D006314:Hearing Loss, Conductive / Q000175:diagnosis*; D006317:Hearing Loss, Noise-Induced / Q000175:diagnosis*; D006801:Humans; D008669:Metallurgy; D009784:Occupational Diseases / Q000175:diagnosis* / Q000209:etiology
D000535:Aluminum; D000537:Aluminum Oxide
Studio audiometrico in lavoratori addetti alla produzione dell'allumina.