Comparison of caries and sealants between Shanghai native and migrant 12-year-old students from 2013 to 2015#br#
WANG Yan, DA Dong-xin, ZENG Xiao-li, XU Wei, WANG Xun, ZHANG Hao, JIANG Yi-wei, LI Cun-rong, ZHANG Ying
上海交通大学学报（医学版） . 2017, (12): 1687 .  DOI: 10.3969/j.issn.1674-8115.2017.12.020