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3. G. Ya. Bazarevich et al., Ortop. Traumatol., No. 9, 20 (1975).
4. I. N. Volkov and A. V. Kibyakov, Fiziol. Zh. SSSR, No. 1, 130 (1946).
5. E. A. Gromova, Serotonin and Its Role in the Body [in Russian], Moscow (1966).