PT - JOURNAL ARTICLE AU - Karim Mahawish TI - Hyperdense basilar artery sign AID - 10.1136/bcr-2015-209317 DP - 2015 Feb 16 TA - BMJ Case Reports PG - bcr2015209317 VI - 2015 4099 - http://casereports.bmj.com/content/2015/bcr-2015-209317.short 4100 - http://casereports.bmj.com/content/2015/bcr-2015-209317.full