RT Journal Article SR Electronic T1 Cerebrovascular disease: Historical background, with an eye to the future JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP S22 OP S24 VO 71 IS 1 suppl 1 A1 Caplan, Louis R. YR 2004 UL http://www.ccjm.org/content/71/1_suppl_1/S22.abstract AB