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张秀丽, 徐小川, 姚源, 李昀生

Investigation on periodontal status of senior high school students in Dongcheng district of Beijing

Xiuli ZHANG, Xiaochuan XU, Yuan YAO, Yunsheng LI

口腔疾病防治 . 2017, (8): 537 -540 . DOI: 10.12016/j.issn.2096-1456.2017.08.014