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1 Factors Affecting Dyspnea in Retired Coal Miners in Korea
Yong Hee Cheon, Sei Jin Chang, Bong Suk Cha
Korean J Occup Environ Med.2001;13(3):286-295.   Published online 2019 January 30     DOI: http://dx.doi.org/10.35371/kjoem.2001.13.3.286
   

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