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Letter
Association of occupational and environmental clinics exposure code system and criteria for substances that cause work-related asthma
- Correspondence to Dr Katherine H Kirkland, Association of Occupational and Environmental Clinics, Washington, District of Columbia, USA; kkirkland{at}aoec.org
Citation
Association of occupational and environmental clinics exposure code system and criteria for substances that cause work-related asthma
Publication history
- Received December 15, 2021
- Accepted January 27, 2022
- First published February 17, 2022.
Online issue publication
March 14, 2022
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© Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ.