The Canadian C-spine rule.
Mower
William R
WR
Wolfson
Allan B
AB
Hoffman
Jerome R
JR
Todd
Knox H
KH
D002574:Cervical Vertebrae / Q000000981:diagnostic imaging / Q000293:injuries*; D003661:Decision Support Techniques; D006801:Humans; D019838:Neck Injuries / Q000000981:diagnostic imaging*; D011859:Radiography; D012680:Sensitivity and Specificity; D014194:Traumatology / Q000592:standards