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3. E. A. Gromova, Zhurn. Mikrobiol., Epidemiol. i Immunobiol. 61 (1959).
4. E. A. Gromova, Theses and References from the Reports of the Symposium on the Pathogenesis of Tetanus (Moscow, 1959), p. 6
5. D. A. Zhdanov, The General Anatomy and Physiology of the Lymphatic System, (Moscow, 1952), p. 186.