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4. Saunders, R. L. de C. H., Proceedings of the Cambridge Symposium on X-ray Microscopy and Microradiography, 1956 (Academic Press, New York). Redisch, W., Tangco, F. F., and Saunders, R. L. de C. H., “The Peripheral Circulation in Health and Disease” (Grune and Stratton, New York, 1957).