G. Lokominaitė and R. Kaladytė Lokominienė, “Psychosis as an Isolated Manifestation of COVID-19 in Non-Demented Patients with Parkinson’s Disease: Clinical Cases and Literature Review”, NS, vol. 27, no. No. 1 (95), pp. 60–66, Nov. 2023, doi: 10.29014/NS.2023.27.8.