1. O. B. Naumova, in: Problems in Theoretical and Clinical Medicine in Developing Countries (Proceedings of a Conference) [in Russian], Moscow (1975), p. 7.
2. A. P. Pekhov and O. B. Naumova, Dokl. Akad. Nauk SSSR,214, 445 (1974).
3. F. N. Capaldo, G. Ramsey, and S. D. Barbour, J. Bacterial.,118, 242 (1974).
4. A. J. Clark, Genetics,78, 259 (1974).
5. M. Demerec, E. Adelberg, A. Clark, et al., Genetics,54, 61 (1966).