Middle cerebral artery blood velocity, embolisation, and neurological outcome during carotid endarterectomy: a prospective comparison of the Javid and the Pruitt-Inahara shunts. - Wilkinson,J.M.; Rochester,J.R.; Sivaguru,A.; Cameron,I.C.; Fisher,R.; Beard,J.D. (Eur J Vasc Endovasc Surg, 1997)