Lung cancer in relation to exposure to silica dust, silicosis and uranium production in South African gold miners Authors: Hnizdo E, Murray J, Klempman S. Source: Thorax. 1997;52:271-275. Babalwa Jekwa2019-04-02T21:14:23+02:00Dec 31st, 1997| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail