Risk of silicosis in a cohort of white South African gold miners Authors: Hnizdo E, Sluis-Cremer GK. Source: Am J Ind Med. 1993; 24: 447-457. Babalwa Jekwa2019-04-04T15:22:06+02:00Dec 31st, 1993| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail