Oral health status of 4-17-year-old orphan children and adolescents of Chongqing
Gu Shuangjiao, Lin Juhong, Wang Menghong, Qian Weiwen, Wu Yuhong, Zhu Xuehua, Wu Yuzhi
West China Journal of Stomatology . 2014, (4): 378 -381 .  DOI: 10.7518/hxkq.2014.04.014