[Analysis of the occupational noise program during the 5-year period from 1976 to 1980].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002677:Chile; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D008875:Middle Aged; D009622:Noise / Q000517:prevention & control*; D009623:Noise, Occupational / Q000517:prevention & control*
Análisis del programa de ruido laboral en el quinquenio 1976 a 1980.