• Barbedo, M.M.R. & McCurdy, P.R. (1974) Red cell life span in sickle cell trait. Acta Haematologica, 15, 339342.
  • Beutler, E. (1991) Sickle cell diseases and related disorders. In: Hematology, 4th edn (eds by W.J.Williams, E.Beutler, A.J.Erslev & M.A.Lichtman), pp. 613644. McGraw-Hill, New York.
  • Dacie, J.V., Lewis, S.M., White, J.M. & Marsh, G.W. (1991) Investigation of abnormal haemoglobins and thalassaemia. In: Practical Haematology, 7th edn (eds by J.V.Dacie & S.M.Lewis), pp. 227257. Churchill Livingstone, London.
  • Davies, S.C. & Oni, L. (1997) Management of sickle cell disease. British Medical Journal, 315, 656660.
  • Flint, J., Harding, R.M., Boyce, A.J. & Clegg, J.B. (1993). The population genetics of the haemoglobinopathies. Bailliere's Clinical Haematology, 6, 215222.