شجاع‌الدینی, احمد

[ 1 ] - بررسی ارتباط کاهش شنوایی ناشی از صدای صنعت کاشی با سن و سابقه ‌کار

Abstract Background: Noise is a harmful environmental factor which may cause hearing loss, hypertension, and higher rates of occupational accidents and reduced production. Considering the various intensities and frequencies produced by industrial equipments, we assessed the effects of noise on hearing of tile industry workers. Methods: This cross-sectional study was done on 372 workers expose...