1. AKAO, Y., MATSUI, T., SANG, R., SHIMOJO, H., SUGIURA, A. & ENOMOTO, C. (1960) : Studies of myxovirus infection in pigs. Antibody in swine sera against myxoviruses. Bull. Institute of Public Health, 9, 27-34.
2. AMIRAIAN, K., PLESCIA, O. J., CAVALIO, G. & HEIDELBERGER, M. (1958) : Complex nature of the step in immune hemolysis involving third component of complement. Science, 127, 239-240.
3. COWAN, K. M. (1961) : Immunological studies on African swine fever virus. I. Elimination of the procomplementary activity of swine serum with formalin. J. Immunol., 86, 465-470.
4. HAGEDUS, A. & GREINER, H. (1938) : Quantitative Bestimmung der Komplementbestandteile. Zschr. Immunitätsforsch., 92, 1-9.
5. JENSEN, K. E., DUNK, F. L. & ROBINSON, R. Q. (1958) : Influenza 1957 A variant and the pandemic., Progress in Medical Virology, 1, 165, Karger, Basel and New York.