Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TERFER MR,Trends in the aetiology of maxillofacial fractures in the United Kingdom (1977-1987),Br J Oral Maxillofac Surg,,,1991,29,,250-255,https://cir.nii.ac.jp/crid/1573105976174748032,