TY - GEN AU - MESSINA,D TI - [ON HEARING DEFECT IN TELEPHONE WORKERS] SN - 0042-2371 PY - 1996///1201 KW - Audiometry KW - Deafness KW - Hearing Tests KW - Humans KW - Legislation as Topic KW - Occupational Diseases KW - Telephone N1 - Publication Type: Journal Article ER -