RT Journal Article SR Electronic T1 Effect of various pharmacologic agents on cerebral arteries JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 772 OP 772 DO 10.1212/WNL.13.9.772 VO 13 IS 9 A1 Paul Karlsberg A1 Henry W. Elliott A1 John E. Adams YR 1963 UL http://n.neurology.org/content/13/9/772.abstract AB