RT Journal Article SR Electronic T1 Shift to Older Age Distribution in Parkinsonism JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 783 OP 783 DO 10.1212/WNL.6.11.783 VO 6 IS 11 A1 Robert S. Schwab A1 Lewis J. Doshay A1 Hugh Garland A1 Peter Bradshaw A1 Eleanor Garvey A1 Betty Crawford YR 1956 UL http://n.neurology.org/content/6/11/783.abstract AB