RT Journal Article SR Electronic T1 The changing standard of care in Parkinson's disease JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP S1 OP S1 DO 10.1212/WNL.49.1_Suppl_1.S1 VO 49 IS 1 Suppl 1 A1 Matthew B. Stern YR 1997 UL http://n.neurology.org/content/49/1_Suppl_1/S1.abstract AB