1. The Solitary Pulmonary Nodule;Davis;J. Thoracic Surg.,1956
2. Storey, C. F.: Personal communication.
3. Gilson, J. C., and Hugh-Jones, P.: Lung Function in Coalworkers’ Pneumonoconiosis. Her Majesty’s Privy Council, Medical Research Council, Special Report Series No. 290: Her Majesty’s Stationery Office, 1955.