1. A. M. Chernukh, P. N. Aleksandrov, and O. V. Alekseev, The Microcirculation [in Russian], Moscow (1975).
2. A. N. Chilingaryan, Zh. �ksp. Klin. Med.,17, No. 5, 19 (1977).
3. D. F. Bohr and R. C. Webb, in: Mechanisms of Vasodilatation, Basal (1978), pp. 37?47.
4. H. Glossman, D. R. Ferry, F. L�bbecke, et al., Trends Pharmacol. Sci.,3, 431 (1982).
5. M. G�thert, P. Navroth, and I. M. Pohl, in: Proceedings of the 4th International Catecholamine Symposium, Vol. 1, New York (1979), pp. 289?291.