title: [The contrastive study on lip profile of malocclusion of Class I, II and II in Harbin].
authors.affiliation: Dept. of Orthodontics, School of Stomatology, Harbin Medical University, Harbin 150001, China.
authors.forename: Yuan
authors.initials: Y
authors.lastname: Zhao
authors.forename: Ping
authors.initials: P
authors.lastname: Shao
authors.forename: Wei-Jun
authors.initials: WJ
authors.lastname: Yan