TY - JOUR T1 - Parkinson's disease JF - Clinical Medicine JO - Clin Med SP - 628 LP - 628 DO - 10.7861/clinmedicine.9-6-628 VL - 9 IS - 6 AU - Adrian Williams Y1 - 2009/12/01 UR - http://www.rcpjournals.org/content/9/6/628.abstract ER -