RT Journal Article SR Electronic T1 The conflict of living matter with the mineral world: The pneumoconioses JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 394 OP 400 DO 10.1136/jcp.15.5.394 VO 15 IS 5 A1 Policard, A. YR 1962 UL http://jcp.bmj.com/content/15/5/394.abstract AB