title: Industrial hearing conservation programs in the high schools (Protect the Ear Before the 12th Year)
mesh_terms: D000293:Adolescent; D001299:Audiometry; D002648:Child; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D008297:Male; D008403:Mass Screening; D012572:School Health Services; D014829:Vocational Education