PT - JOURNAL ARTICLE AU - K L STEVENSON AU - W C WELCH TI - Smiling odontoid AID - 10.1136/jnnp.71.5.706 DP - 2001 Nov 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 706--706 VI - 71 IP - 5 4099 - http://jnnp.bmj.com/content/71/5/706.short 4100 - http://jnnp.bmj.com/content/71/5/706.full SO - J Neurol Neurosurg Psychiatry2001 Nov 01; 71