Gluckman, Howard, Carla C Pontes, Matthias Troelzsch, and E Todd Scheyer. “An Overview of COVID-19 Infection in Dental Practices - a Questionnaire Survey”. South African Dental Journal 76, no. 07 (October 15, 2021): 404–408. Accessed April 30, 2024. https://journals.assaf.org.za/index.php/sadj/article/view/12549.