Louisa, M., A. Amalina, R. A. Putranto, O. N. Komala, and W. Anggraini. “Periodontal Disease Severity in Patients With Long COVID and Non-COVID-19”. Dental Journal, vol. 57, no. 1, Feb. 2024, pp. 50-55, doi:10.20473/j.djmkg.v57.i1.p50-55.