1. Bateman, J. B., Davis, M. S., McCaffrey, P. A.: A note on the reaction of heated influenza virus protein with red blood cells. Amer. J. Hyg.62, 349?354 (1955).
2. Davenport, F. M., Hennessy, A. V., Brandon, F. M., Webster, R. G., Barrett, C. D., Jr., Lease, G. O.: Comparisons of serologic and febrile responses in humans to vaccination with influenza A viruses or their hemagglutinins. J. Lab. clin. Med.63, 5?13 (1964).
3. Davenport, F. M., Hennessy, A. V., Drescher, J., Webster, R. G.: Analytical, serological and clinical experiences with the hemagglutinating subunits of influenza A virus. Ciba Foundation Symposium on Cellular Biology of Myxovirus Infections. London 1964, p. 272?287.
4. Dawson, I. M., Elford, W. J.: Electron microscope studies on the interaction of certain viruses with fowl red cell membranes. Nature163, 63?64 (1949).
5. Donald, H. B., Isaacs, A.: Counts of influenza virus particles. J. gen. Microbiol.10, 457?464 (1954a).