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Item Prevalence of pulmonary tuberculosis in graphite miners(Sri Lanka Medical Association. Colombo, 1974) Uragoda, C.G.A total of 403 workers at a graphite mine was radiologically examined. There was evidence that 10 of them developed pulmonary tuberculosis whil working in the mine. The prevalence sputum positive tuberculosis in graohite miner was found to be higher than in the general population. The probable reasons for this are discussedItem Occupational lung disease due to dusts of vegetable origin(Sri Lanka Medical Association. Colombo, 1983) Uragoda, C.G.Item An investigation into the health of kaolin workers in Sri Lanka(Ceylon Medical Association. Colombo, 1974) Uragoda, C.G.; Fernando, B.N.D.Item A case of asbestos associated disease in Sri Lanka(Sri Lanka Medical Association. Colombo, 1983) Uragoda, C.G.; Sheriffdeen, A.H.; Amerasinghe, A.