1. M. D. Mashkovskii, Drugs [in Russian], 10th edn., Moscow (1985), Chapter I, pp. 281–283.
2. T. V. Saprygina, A. N. Tsoi, and B. E. Kushkenbaeva, Khim. Farm. Zh., No. 11, 1311–1313 (1988).
3. C. L. Davies and S. G. Molyneaux, J. Chromatogr.,231, 41–51 (1982).
4. B.-M. Eriksson and B.-A. Persson, J. Chromatogr.,228, 143–154.
5. J. T. Shepherd and P. M. Vanhoutte, The Human Cardiovascular System: Facts and Concepts, Raven Press, New York (1979), pp. 183–190.