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1 Smoking Habit of Coal Workers' Pneumoconiosis Patients: Their Relationship to the Findings of Chest Radiographs
Jeong Pyo Hong, Ho Keun Chung
Korean J Occup Environ Med.1990;2(1):23-33.   Published online 2019 February 1     DOI: http://dx.doi.org/10.35371/kjoem.1990.2.1.23
   

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