1. Akhnazarova, V. D., Zhurn. Mikrobiol. Epidemiol. i Immunobiol., 1959, No. 1, p. 102.
2. Katsitadze, V. A., In: Abstracts of Papers of the Sixth Conference of Junior Scientists of the Institute of Normal and Pathological Physiology [in Russian], Moscow, 1960, p. 44.
3. Frick, E., Lamp'l, F., Z. ges. exp. Med. 1952, Bd. 118, S. 274.
4. Nagareda, C. S., J. Immunol. 1954, v. 73, p. 88.
5. Safford, H., Wells, L., Gellhorn, E., Am. J. Physiol., 1946, v. 146, p. 386.