RT Journal Article SR Electronic T1 Calcified Subdural Hematoma JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 520 OP 520 DO 10.1212/WNL.5.7.520 VO 5 IS 7 A1 J. Arthur MacLean A1 Laurence F. Levy YR 1955 UL http://n.neurology.org/content/5/7/520.abstract AB