1. Bunn, H. F., and Forget, B. G., 1986, Hemoglobin: Molecular, Genetic and Clinical Aspects, W. B. Saunders Co., Philadelphia.
2. The figure for number of individuals worldwide with abnormal hemoglobins is approximate and was generated by Dr. William P. Winter.
3. Kim, H. C., Atwater, J., and Schwartz, E., 1983, Separation of hemoglobins, in Hematology 3rd ed. (W. J. Williams, E. Beutler, A. J. Ersley, and M. A. Lichtman, eds.), McGraw-Hill, New York, pp. 1611–1619.
4. Schneider, R. G., and Barwick, R. C., 1982, Hemoglobin mobility in citrate agar electro-phoresis—its relationship to anion binding, Hemoglobin 6:199–208.
5. Basset, P., Beuzard, Y., Garel, M. C., and Rosa, J., 1978, Isoelectric focusing of human hemoglobin: its application to screening, to the characterization of 70 variants, and to the study of modified fractions of normal hemoglobins, Blood 51:971–982.