Chronic bronchitis in miners and non-miners: an epidemiological survey of a community in the gold-mining area in the Transvaal Authors: Sluis-Cremer GK, Walters LG, Sichel HS. Source: British Journal of Industrial Medicine. 1967; 24:1-12. Babalwa Jekwa2019-04-10T23:19:43+02:00Dec 31st, 1967| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail