1. M. A. Angarskaya, G. V. Obolentseva, and Ya. I. Khadzhai. Vrach. delo, 3, 23, (1961).
2. P. P. Denisenko. In book: Annual Report of the Institute of Experimental Medicine of the AMN SSSR for 1956 [in Russian], Vilnius, 265 (1957).
3. I. S. Zavodskaya, Byull. éksper. biol., 1, 26 (1954).
4. I. S. Zavodskaya, Farmakol. i toksikol., 3, 266 (1962).
5. V. I. Litvinenko, N. P. Maksyutina, et al. Zh. obshchei khimii, 1, 296 (1963).