ahmed, yaser, SAMAR (MDS) ALAQILI, and WANG (Professor) YUAN. 2021. “Department of Periodontology and Oral Medicine, Hospital of Dentistry, Anhui Medical University, Hefei, China”. IJRDO -JOURNAL OF HEALTH SCIENCES AND NURSING 6 (5), 11-15. https://doi.org/10.53555/hsn.v6i5.4315.