[ON HEARING DEFECT IN TELEPHONE WORKERS].
D001299:Audiometry; D003638:Deafness; D006320:Hearing Tests; D006801:Humans; D007878:Legislation as Topic; D009784:Occupational Diseases; D013689:Telephone
AUDIOMETRY; DEAFNESS; LEGISLATION; OCCUPATIONAL DISEASES
SUL DEFICIT UDITIVO NEI LAVORATORI DEL TELEFONO.