1. Addamiano, L., Babudieri, B.: Research on spirochaetal strains isolated in Jordan. Bull. Wld Hlth Org. 17, 483–485 (1957).
2. Addamiano, L., Kasarov, L. B.: Metabolism of the lipoproteins of serum by leptospiras: degradation of the triglycerides. J. med. Microbiol. 2, 165–168 (1969a).
3. Addamiano, L., Kasarov, L. B.: Degradation of the phospholipids of the serum lipoproteins by Leptospirae. J. med. Microbiol. 3, 243–248 (1969b).
4. Alexander, A. D., Wood, G., Yancey, F., Byrne, R. J., Yager, R. H.: Cross neutralization of leptospiral haemolysins from different serotypes. Infect, a. Immun. 4, 154–159 (1971).
5. Arean, V. M.: Toxin production by Leptospira icterohaemorrhagiae. Am. J. vet. Res. 25, 836–843 (1964).