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1دورية أكاديمية
المؤلفون: Chen, Meng Xuan, Zhong, Yu Jie, Dong, Qian Qian, Wong, Hai Ming, Wen, Yi Feng
المصدر: Journal of Clinical Periodontology; Sep2021, Vol. 48 Issue 9, p1165-1188, 24p, 3 Charts, 6 Graphs, 2 Maps
مصطلحات موضوعية: PERIODONTITIS, GLOBAL burden of disease, DISEASE prevalence, SOCIODEMOGRAPHIC factors, DEVELOPED countries