1. Auger, W. J. (1939). Brit. J. exp. Path., 20, 439.
2. The Management of the Pneumonias;Bullowa, J.G.M.,1937
3. Curnen, E. C. (1939). New Engl. J. Med., 221, 725.
4. Don, C. S. D., et alia. (1940). Lancet, 1, 31 1.
5. Fleming, A. (1938). Lancet, 2, 74.