1. N. Nakabayashi, in:Polymers for Medical Applications [Russian translation], Meditsina, Moscow (1981), pp. 26–87.
2. Chemical Encyclopedia [in Russian], Vol. 1, Sov. Entsikl., Moscow (1961), p. 837.
3. Great Encyclopedia of Medicine [in Russian], 3rd ed., Vol. 20, Sov. Entsikl., Moscow (1983), pp. 432–437.
4. D. J. Lyman, in:Polymers in Medicine [Russian translation], Meditsina, Moscow (1969), pp. 7–50.
5. A. K. Abbas, A. H. Lichtman, and J. S. Pober (eds.),Cellular and Molecular Immunology, 2nd ed., W. B. Saunders, Philadelphia (1994), p. 294.