Gluckman, H. ., Pontes, C. C. ., Troelzsch, M. ., & Scheyer, . E. T. . (2021). An overview of COVID-19 infection in dental practices - a questionnaire survey. South African Dental Journal, 76(07), 404-408. https://doi.org/10.17159/2519-0105/2021/v76no7a2