TY - JOUR T1 - How to treat Parkinson's disease in 2013 JF - Clinical Medicine JO - Clin Med SP - 93 LP - 96 DO - 10.7861/clinmedicine.13-1-93 VL - 13 IS - 1 AU - Paul F Worth Y1 - 2013/02/01 UR - http://www.rcpjournals.org/content/13/1/93.abstract ER -