1. Popper, K.R. (1959). The Logic of Scientific Discovery. (London: Hutchinson)
2. Judson, H.F. (1979). Eighth Day of Creation: Makers of the revolution in molecular biology. (New York: Simon-Schuster)
3. Penick, C.D., Dejanov, I.I., Reddick, R.L. and Roberts, H.R. (1966). Predisposition to intravascular coagulation. Thromb. Diath. Haemorrh., Suppl. 21, 543
4. Chung, K.S., Bezaud, A., Goldsmith, J.C., McMillan, C.W., Menache, D and Roberts, H.R. (1979). Congenital deficiency of blood clotting factors II, VII, IX, and X. Blood, 53, 776
5. Weiss, H.J., Phillips, L.L. and Rosner, W. (1972). Separation of sub units of antihaemophilic factor (AHF) by agarose gel chromatography. Thromb. Diath. Haemorrh., 28 212