1. Collateral Scoring on CT Angiogram Must Evaluate Phase and Regional Pattern. (24th July 2017) Authors: Casault, Colin; Al Sultan, Abdulaziz S.; Trivedi, Anurag; Sohn, Sung Il; Qazi, Emmad; Bokyo, Matthew; Almekhlafi, Mohammed; d'Esterre, Christopher; Goyal, Mayank; Demchuk, Andrew M.; Menon, Bijoy K. Journal: Canadian journal of neurological sciences Issue: Volume 44:Number 5(2017) Page Start: 503 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗