1. K. Dose andG. Krause, Naturwissenschaften49, 349 (1962).
2. B. Gelotte, P. Flodin andJ. Killander, Arch. Biochem. Biophys. Suppl.1, 319 (1962).
3. J. Killander, Prot. biol. Fluids11, 446 (1963).
4. R. Venderly, Y. Coirault andA. Vanderplancke, C.r. Acad. Sci., Paris, ser. D258, 6399 (1964).
5. S. T. Neremberg, J. Lab. clin. Med.77, 517 (1971).