PT - JOURNAL ARTICLE AU - Hubert H. Fernandez TI - 2015 Update on Parkinson disease AID - 10.3949/ccjm.82gr.15004 DP - 2015 Sep 01 TA - Cleveland Clinic Journal of Medicine PG - 563--568 VI - 82 IP - 9 4099 - http://www.ccjm.org/content/82/9/563.short 4100 - http://www.ccjm.org/content/82/9/563.full SO - Cleve Clin J Med2015 Sep 01; 82 AB - Parkinson disease is still diagnosed by clinical signs, and its most effective treatment is still levodopa. However, an improved understanding of the disease is leading to new diagnostic tools and treatments.