Original ArticleRheumatoid factor in coal workers' pneumoconiosis
Jee Won Kim, Im Goung Yun
Korean Journal of Occupational and Environmental Medicine (대한직업환경의학회지) 1993;5(2):187-194.
DOI: https://doi.org/10.35371/kjoem.1993.5.2.187
Published online: September 30, 1993