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Opportunist mycobacterial pulmonary infection and occupational dust exposure: An investigation in England and wales ∗ ∗ This investigation was undertaken jointly by the Research Committee of the British Thoracic and Tuberculosis Association and the British Medical Research Council's Pneumoconiosis Unit. The Sub-Committee comprised Dr. J. B. Selkon (Chairman), Dr. H. E. Thomas (Co-ordinator), Dr. J. D. Ball (Assistant Co-ordinator), Dr. J. R. Bignall, Dr. A. C. Caplan, Dr. J. C. Gilson, Dr. N. W. Horne, Dr. J. Marks and Dr. P. D. Oldham. |
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