Iranian Red Crescent Medical Journal

Published by: Kowsar

The Impact of Different Permissible Exposure Limits on Hearing Threshold Levels Beyond 25 dBA

Balachandar S Sayapathi 1 , 2 , * , Anselm Ting Su 3 , 4 and David Koh 5 , 6
Authors Information
1 Centre for Occupational and Environmental Health, University of Malaya, Kuala Lumpur, Malaysia
2 Department of Ministry of Health, Kuala Lumpur, Malaysia
3 Department of Community Medicine and Public Health, Faculty of Medicine and Health Sciences, University Malaysia Sarawak, Sarawak, Malaysia
4 Department of Hygiene, School of Medicine, Wakayama Medical University, Wakayama, Japan
5 Occupational Health and Medicine Center, PAPRSB Institute of Health Sciences, University Brunei Darussalam, Bandar Seri Begawan, Brunei
6 SSH School of Public Health, National University of Singapore, Singapore, Singapore
Article information
  • Iranian Red Crescent Medical Journal: October 01, 2014, 16 (10); e15520
  • Published Online: October 5, 2014
  • Article Type: Research Article
  • Received: October 21, 2013
  • Revised: January 31, 2014
  • Accepted: March 11, 2014
  • DOI: 10.5812/ircmj.15520

To Cite: Sayapathi B S, Ting Su A, Koh D. The Impact of Different Permissible Exposure Limits on Hearing Threshold Levels Beyond 25 dBA, Iran Red Crescent Med J. 2014 ; 16(10):e15520. doi: 10.5812/ircmj.15520.

Copyright © 2014, Iranian Red Crescent Medical Journal. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License ( which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
1. Background
2. Objectives
3. Patients and Methods
4. Results
5. Discussion
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