4Iida S,Kogo M,Sugiura T,et al.Retrospective analysis of 1502patients with facial fractures.Int J Oral Maxillofac Surg,2001,30:286-290.
5Telfer MR,Jones GM,Shepherd JP.Trends in the aetiology of maxillofacial fractures in the United Kingdom (1977-1987).Br J Oral Maxillofac Surg,1991,29:250-255.
6Adebayo ET,Ajike OS,Adekeye EO.Analysis of the pattern of maxillofacial fractures in Kaduna,Nigeria.Br J Oral Maxillofac Surg,2003,41:396-400.
7Ugboko Ⅵ,Odusanya SA,Fagade OO.Maxillofacial fractures in a semi-urban Nigerian teaching hospital.A review of 442 cases.Int J Oral Maxillafac Surg,1998,27:286-289.
8Atanasov DT.A retrospective study of 3 326 mandibular fractures in 2 252 patients.Folia Med,2003,45:38-42.
9Worrall SF.Mechanisms,pattern and treatment costs of maxillofacial injuries.Injury,1991,22:25-28.
