A case of silicosis and progressive massive fibrosis with uncertain occupational exposure to silica Authors: Gazi S, Rees D, Kgalamono S, Murray J. Source: Occupational Health Southern Africa. 2008(March/April 2008):16-18. Babalwa Jekwa2019-03-25T12:15:15+02:00Mar 22nd, 2008| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail