• Chudwin, D.S. & Rucknagel, D.L. (1974) Immuno-logical quantification of haemoglobin F and A2. Clinica Chimica Acta, 50, 413.
  • Efremov, G.D. & Huisman, T.H.J. (1974) The laboratory diagnosis of the haemoglobinopathies. Clinics in Haematology, 3, 542.
  • Marengo-Rowe, A.J. (1965) Rapid electrophoresis and quantitation of haemoglobins on cellulose acetate. Journal of Clinical Pathology, 18, 790.
  • Rowley, P.G. (1976) The diagnosis of β-thalassemia minor. American Journal of Hematology, 1, 129.
  • Schmidt, R.M., Rucknagel, D.L. & Necheles, T.F. (1975) Comparison of methodologies for thalassemia screening by Hb A2 quantitation. Journal of Laboratory and Clinical Medicine, 86, 873.
  • Schneider, R.G. (1974) Determination of Hb A2 by electrophoresis Detection of Hemoglobinopathies (R. M.Schmidt, T. H. J.Huisman and H.Lehmann), p 26. CRC Press, Cleveland .
  • Shibata, S., Miyaji, T. & Ohba, Y. (1975) Evaluation of procedures for estimating Hb A2 and Hb F. Abnormal Haemoglobins and Thalassaemia: Diagnostic Aspects (R. M.Schmidt), p 19. Academic Press, New York .
  • White, J.M. & Lewis, S.M. (1973) A report on the interlaboratory quantitation of haemoglobin A2 and haemoglobin F. Journal of Clinical Pathology, 26, 864.
  • Yawson, G.I., Fessas, H., Boulton, F.E., Huntsman, R.G. & Menzies, I.S. (1974) The estimation of haemoglobin A2. Is a visual assessment reliable? Journal of Clinical Pathology, 27, 47.