RT Journal Article SR Electronic T1 Caplan's Syndrome in a Slate Miner JF The Journal of the College of General Practitioners JO J Coll Gen Pract FD British Journal of General Practice SP 147 OP 149 VO 7 IS 1 A1 M. Vaughan Jones YR 1964 UL http://bjgp.org/content/7/1/147.abstract AB