Curve fitting of soft and hard tissue relation using mathematics models: Functional treatment and natural growth of Class II malocclusion
Liu Ya-fei, Cui Li-juan, Zuo Yan-ping, Liu Xue-cong, Liu Xin
Chinese Journal of Tissue Engineering Research . 2010, (13): 2315 -2318 .  DOI: 10.3969/j.issn.1673-8225.2010.13.010