1. Leitner, A., in The Hemophilias, edit. by Brinkhouse, K. M., 333 (University of North Carolina Press, 1964).
2. Breckenridge, R. T., and Ratnoff, O. D., Blood, 20, 137 (1962).
3. Leitner, A., Bidwell, E., and Dike, G. W. R., Brit. J. Haematol., 9, 245 (1963).
4. Augustin, R., and Hayward, B. J., Immunology, 3, 45 (1960).
5. Augustin, R., Connolly, R. C., and Lloyd, G. M., Eleventh Symp. Protides Biol. Fluids, Bruges, 1963, 56 (Elsevier Publishing Co., Amsterdam, 1964).