1. H. E. Schultze and J. F. Heremans, Molecular Biology of Human Proteins, with special reference to plasma proteins, vol. 1 (Elsevier, Amsterdam-London-New York, 1966).
2. A. H. Gordon and L. N. Louis, Biochem. J., 113, 481 (1969).
3. F. Kueppers, Humangenetik, 5, 54 (1967).
4. W. G. Heim, Nature, 217, 1057 (1968).
5. I. Kushner and J. A. Sommerville, Biochim. Biophys. Acta, 207, 105 (1970).