PT - JOURNAL ARTICLE AU - I. W. Cordon TI - Skull roentgenography for patients with head trauma: the use of high-yield criteria DP - 1981 Mar 01 TA - Canadian Medical Association Journal PG - 584--589 VI - 124 IP - 5 4099 - http://www.cmaj.ca/content/124/5/584.short 4100 - http://www.cmaj.ca/content/124/5/584.full SO - CMAJ1981 Mar 01; 124