TY - JOUR A1 - Engdahl, B. A1 - Tambs, K. T1 - Occupation and the risk of hearing impairment – results from the Nord-Trondelag study on hearing loss Y1 - 2010 DO - 10.5271/sjweh.2887 JF - Scandinavian Journal of Work Environment & Health VL - 36 IS - 3 ER -