Mica dust as a cause of severe pneumoconiosis Author: Zinman MD, Richards GA, Murray J, Phillips JI, Rees DJ, Thomas RG. Source: Am J Ind Med. 2002;41:139-144. Babalwa Jekwa2019-04-04T10:01:57+02:00Dec 24th, 2002| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail