Journal of Oral Science Research
Analysis of Related Factors of Periodontal Diseases in Oral Examination of Middle-aged and Elderly People
MIAO Fang, ZHANG Yun, ZHANG Wei-pin, GUO Yun-fei, CHEN Zhi
Journal of Oral Science Research . 2019, (3): 271 -273 .  DOI: 10.13701/j.cnki.kqyxyj.2019.03.019