K. Subasinghe, N. Piyarathne, P. V. Hettiarachchi, and R. Jayasinghe, “The Impact of the COVID-19 Pandemic on the Management of Patients with Oral Potentially Malignant Disorders in a Tertiary Care Hospital, Sri Lanka”, apjcc, vol. 8, no. 1, pp. 29-34, Feb. 2023.