1. State Pharmacopeia of the USSR, Vol. I: General Methods of Analysis. 11th ed., Moscow (1987), p. 175.
2. M. A. Kotovshchikova, Methods for Studying the Coagulation System of the Blood [in Russian], Leningrad (1966), pp. 26–27.
3. N. I. Kudryashova, A. L. Remizov, and N. V. Khromov-Borisov, Zh. Obshch. Khim.,29, 1240–1244 (1959).
4. P. E. Motovilov, Farmakol. Toksikol., No. 2, 40–46 (1958).
5. P. E. Motovilov, Yearbook of the Institute of Experimental Medicine, Academy of Medical Sciences of the USSR [in Russian], Leningrad (1958), pp. 180–188.