1. V. M. Koval’zon, “The brain and sleep: from neurons to molecules,” Zh. Vyssh. Nerv. Deyat., 73, No. 1, 48–70 (2013).
2. V. M. Koval’zon, “The role of the histaminergic system of the brain in regulating the sleep–waking cycle,” Fiziol. Cheloveka, 39, No. 7, 13–23 (2013).
3. V. M. Koval’zon, “Central mechanisms of regulation of the sleep–waking cycle,” Fiziol. Cheloveka, 37, No. 4, 124–134 (2011).
4. V. M. Koval’zon and I. M. Zavalko, “The sleep–waking cycle and Parkinson’s disease,” Neirokhimiya, 30, No. 3, 193–207 (2013).
5. Yu. F. Pastukhov, “Changes in the characteristics of paradoxical sleep– an early sign of parkinsonism,” Zh. Vyssh. Nerv. Deyat., 73, No. 1, 75–85 (2013).