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APA Citation
Nazir, M., Al-Ansari, A., Al-Khalifa, K., Alhareky, M., Gaffar, B., & Almas, K. (2020). global Prevalence of Periodontal Disease and Lack of Its Surveillance. TheScientificWorldjournal, 2020, . http://access.bl.uk/ark:/81055/vdc_100109911175.0x000041