1. Korec, R., Experimental diabetes mellitus in the rat, 1st ed., Publishing house of the Slovak Academy of Sciences P 111 (Bratislava 1967).
2. Hammarström, L., B. Hellman, S. Ullberg, Diabetologia2, 340 (1966).
3. Kadota, I., J. Lab. Clin. Med.38, 671 (1951).
4. Toroptsev, I. V., V. A. Eshchenko, Arkh. Patol.34, 31 (1972).
5. Williams, R. H., Text book of Endocrinology 4th P 667 (Philadelphia 1968).