Chau, Ngoc Phuong Thanh, và Ngoc Tam Dan Nguyen. 2022. “Periodontal Status in Male Smokers Visiting Hue University of Medicine and Pharmacy Hospital”. Tạp Chí Y Dược Huế 12 (7):93-100. https://doi.org/10.34071/jmp.2022.7.13.