Manzalawi, R., Alhamamey, K. and Abdelrasoul, .M.R. 2021. Self-Reported Gum Bleeding in COVID-19 Patients: A Questionnaire-Based Study. Perio J. 5, 1 (Aug. 2021), 1–10. DOI:https://doi.org/10.26810/perioj.2021.a1.