沈阳市12所中学12岁学生连续4年恒牙龋病临床观察
丛芳, 徐畅, 丛蓓, 黄悦
A 4-year clinical observation on the permanent tooth caries in 12-year old students from 12 middle schools in Shenyang
CONG Fang, XU Chang, CONG Bei, HUANG Yue
中国中西医结合儿科学
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2019, (5): 419
-422
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DOI: 10.3969/j.issn.1674-3865.2019.05.013
