title: [Retrospective study of 326 patients with maxillofacial fractures]
authors.affiliation: Department of Oral and Maxillofacial Surgery, Ninth People's Hospital,Shanghai Second Medical University.Shanghai 200011,China.
authors.forename: B
authors.initials: B
authors.lastname: Xu
authors.forename: R J
authors.initials: RJ
authors.lastname: Yao