Perera, K.P.A.; Fonseka, R.; Siriwardana, C.
(Faculty of Medicine, University of Kelaniya, 2014)
The purpose of this study was to determine the prevalence of Noise Induced Hearing Loss (NIHL) and the use of Personal Hearing Protection Devices (PHPDs) among Liquefied Petroleum Gas (LPG) cylinder infusion factory workers ...