Hoffman JR, Wolfson AB, Todd K, Mower WR (1998). "Selective cervical spine radiography in blunt trauma: methodology of the National Emergency X-Radiography Utilization Study (NEXUS)". Ann Emerg Med. 32 (4): 461–9. doi:10.1016/s0196-0644(98)70176-3. PMID9774931.
Jaeseong, Jason (2015). "The utility of flexion–extension radiography for the detection of ligamentous cervical spine injury and its current role in the clearance of the cervical spine". Emergency Medicine Australasia. 28 (2): 216–223. doi:10.1111/1742-6723.12525. PMID26685877. S2CID41607309.
Hoffman JR, Wolfson AB, Todd K, Mower WR (1998). "Selective cervical spine radiography in blunt trauma: methodology of the National Emergency X-Radiography Utilization Study (NEXUS)". Ann Emerg Med. 32 (4): 461–9. doi:10.1016/s0196-0644(98)70176-3. PMID9774931.
Jaeseong, Jason (2015). "The utility of flexion–extension radiography for the detection of ligamentous cervical spine injury and its current role in the clearance of the cervical spine". Emergency Medicine Australasia. 28 (2): 216–223. doi:10.1111/1742-6723.12525. PMID26685877. S2CID41607309.
Jaeseong, Jason (2015). "The utility of flexion–extension radiography for the detection of ligamentous cervical spine injury and its current role in the clearance of the cervical spine". Emergency Medicine Australasia. 28 (2): 216–223. doi:10.1111/1742-6723.12525. PMID26685877. S2CID41607309.