Nassaj, A. E., F. Niaghiha, Z. Nasiri, and M. Harati. “Efficacy of Tooth-Supported Fixed Prostheses Among Periodontitis and Non-Periodontitis Patients: A Systematic Review and Meta-Analysis”. International Journal of Health Sciences, vol. 7, no. S1, June 2023, pp. 1216-2, https://sciencescholar.us/journal/index.php/ijhs/article/view/14336.