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1 Development of Coalworkers' Pneumoconiosis in Korea: Risk Factors and Incidence Density
Byung Soon Choi
Korean J Occup Environ Med.1996;8(1):137-152.   Published online 2019 February 1     DOI: http://dx.doi.org/10.35371/kjoem.1996.8.1.137
   

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