1. A. E. Needham, (ed., R. G. MacFarlane), The Haemostatic Mechanism in Man and Other Animals (Academic Press, London, 1970) p. 19.
2. J. Levin and F. B. Bang, Bull. Johns Hopkins Hosp.
115, 337 (1964).
3. C. Grégoire, (ed., R. G. MacFarlane), The Haemostatic Mechanism in Man and Other Animals (Academic Press, London, 1970) p. 45.
4. J. Levin, P. A. Tomasulo and R. S. Oser, J. Lab. clin. Med., 75, 903 (1970).
5. R. F. Doolittle, Thrombos. Diathes. haemorrh. (Stuttg.) Suppl.
39, 25 (1970).