RT Journal Article SR Electronic T1 CEP-1347 Treatment Fails to Favorably Modify the Progression of Parkinson's Disease (PRECEPT) Study JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 185 OP 185-b DO 10.1212/01.wnl.0000234884.42413.bc VO 67 IS 1 A1 Shoulson, Ira A1 , A1 , YR 2006 UL http://n.neurology.org/content/67/1/185.3.abstract AB