Face convexity changes in class II malocclusion patients after Twin-block appliance therapy
Liu Ya-fei, Cui Li-juan, Zuo Yan-ping, Liu Xue-cong, Liu Xin
Chinese Journal of Tissue Engineering Research . 2010, (
17
): 3217 -3221 . DOI: 10.3969/j.issn.1673-8225.2010.17.045