1. Parker, J. C. 1973. In Erythrocytes, Thrombocytes, Leucocytes (Gerlach, E., Moser, K., Deutsch, E. and Willmanns, W., eds.) pp. 109–120, Georg Thieme, Stuttgart.
2. Brown, H. D., Neucere, N. J., Altschul, A. M. and Ewans, W. J. 1965. Life Sci. 4, 1439–1447.
3. Dodds, J. J. and Ellis, R. J. 1966. Biochem. J. 101, 31P.
4. Hodges, T. K. 1966. Nature 209, 425–426.
5. Nurminen, T., Oura, E. and Suomalainen, H. 1970. Biochem. J. 116, 61–69.