1. É. B. Arushanyan, Therapeutic Improvement in Cognitive Brain Activity [in Russian], Stavropol’, (2004).
2. O. S. Vinogradova, The Hippocampus and Memory [in Russian], Nauka, Moscow (1975).
3. L. S. Gambaryan and I. N. Koval’, Izd. Akad. Nauk. Arm. SSR, Erevan (1973).
4. O. A. Gomazkov, “Apoptosis of neuronal structures and the role of neurotrophic growth factors. Biochemical mechanisms of the effectiveness of brain peptide preparations,” Zh. Nevrol. Psikhiat., 102, No. 7, 17–21 (2002).
5. E. I. Gusev and V. I. Skvortsova, “Glutamate neurotransmission and calcium metabolism in normal conditions and brain ischemia,” Usp. Fiziol. Nauk., 33, 80–93 (2002).