1. Personal communication;Biggs, R.,1974
2. Treatment of haemophilia;Dalrymple-Champneys, W.; Hunter, J.R.; Polton, K.R.;Brit. med. J,1967
3. Hemophilia: current concepts in management;Green, D.; Smith, N.J.;Med. Clin. N. Amer; Arrangements for the Care of Persons suffering from Haemophilia and Related Diseases,1972
4. MacFarlane, R. G. (1966). In Treatment of Haemophilia and Other Coagulation Disorders, edited by R. Biggs and R. G. MacFarlane, p. 1. Blackwell Scientific Publications, Oxford.
5. MacFarlane, R. G. and Biggs, R. (1966). In Treatment of Haemophilia and Other Coagulation Disorders, edited by R. Biggs and R. G. MacFarlane, p. 324. Blackwell Scientific Publications, Oxford.