1. Head injuries;Ransohoff;JAMA,1975
2. Essentiality of the lateral cervical spine radiograph;Williams;Ann Emerg Med,1981
3. Avoiding a pitfall in resuscitation: The painless cervical fracture;Maull;South Med J,1977
4. Occult cervical spine fractures in an ambulatory patient;Bresler;Ann Emerg Med,1982
5. Fractures of the cervical spine with minimal or no symptoms;Thambyrajah;Med J Malaya,1972