Lapner, Peter C Analysis of a school bus collision: mechanism of injury in the unrestrained child. [electronic resource] - Canadian journal of surgery. Journal canadien de chirurgie Aug 2003 - 269-72 p. digital Publication Type: Journal Article ISSN: 0008-428X Subjects--Topical Terms: Accidents, TrafficAdolescentCervical Vertebrae--injuriesChildCraniocerebral Trauma--etiologyFemaleHumansMaleNeck Injuries--etiologySpinal Fractures--etiology