1. Cantarow, A., and Trumper, M., in Clinical Biochemistry, sixth ed. (Saunders, Philadelphia and London, 1962).
2. Webb, J. L., in Enzyme and Metabolic Inhibitors, 2 (Academic, New York and London, 1966).
3. Stolc, V., Biochim. biophys. Acta, 264, 285 (1972).
4. Bäuerlein, E., Klingenfuss, M., and Wieland, T., Eur. J. Biochem., 24, 308 (1971).
5. Thompson, R. H. S., and Wootton, I. D. P., in Biochemical Disorders in Human Disease, third ed. (Churchill, London, 1970).