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Williams, Brian, Campbell, Catherine, Mqoqi, N. and Kleinschmidt, I. (1998) Occupational health, occupational illness: tuberculosis, silicosis and HIV on the South African mines. In: Banks, D. and Parker, J., (eds.) Occupational Lung Disease: an International Perspective. Chapman & Hall Medical, New York, USA, pp. 95-105. ISBN 0412736306
