The Malocclusion of Primary Dentition in the Suburb of Chengdu: a Cross-section Survey
HUANG Ning1, SHI Zong- dao1, WANG Zu-hua2, QINJun-cheng2, CHEN E1, GUO Chun-lan1, GUO Hong-liang2
West China Journal of Stomatology . 2005, (02): 173 -174 . 

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