前磨牙拔除模式对不同错牙合畸形Bolton指数全牙比的影响
雷巧玲 周力
The effect of premolar extraction models on Bolton overall ratio among different classes of malocclusion
Lei Qiaoling, Zhou Li
华西口腔医学杂志 . 2012, (2): 176 -178 .  DOI: 10.3969/j.issn.1000-1182.2012.02.016