1. UNITED STATES NAVAL MEDICAL BULLETIN 41: 114 (1943).
2. HIRST, G.K., The quantitative determination of influenza virus and antibodies by means of red cell agglutination, JOURNAL OF EXPERIMENTAL MEDICINE 75: 49 (1942).
3. HIRST, G.K., A method for the titration of influenza hemagglutinins and influenza antibodies with the aid of a photoelectric densitometer, JOURNAL OF IMMUNOLOGY 45: 273 (1942).
4. Mulder, J., Fourth International Congress for Microbiology: 78 (1947).
5. NARTSISOV, N.V., AMERICAN REVIEW OF SOVIET MEDICINE 4: 405 (1947).