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3. E. A. Kost,Handbook of Clinical Laboratory Methods [in Russian], Moscow (1975).
4. B. A. Lapin, G. A. Dzhikidze, and E. P. Fruman,Manual of Medical Primatology [in Russian], Moscow (1987).
5. V. M. Nikitin,Handbook of Immunological Methods [in Russian], Kishinev (1982).