海量图书期刊资源，随时随地畅享阅读乐趣
Comparison of craniofacial growth of untreated Class I and Class II girls from ages 9 to 18 years: A longitudinal studyYoon, Sarah S.; Chung, Chun-Hsi · American Journal of Orthodontics and Dentofacial Orthopedics · 2015