Shkodina, A., K. Tarianyk, and D. Boiko. “INFLUENCE OF SLEEP DISTURBANCES ON COGNITIVE DECLINE IN PATIENTS WITH PARKINSON’S DISEASE”. The Ukrainian Scientific Medical Youth Journal, Vol. 117, no. 3, July 2020, pp. 58-67, doi:10.32345/USMYJ.3(117).2020.58-67.