Edin HM, DiBenedetti D, Hill CD. Adherence among patients with Parkinson's Disease taking ropinirole immediate release at least three times daily. Poster presented at the Movement Disorders Society; June 13, 2008. [abstract] Mov Disord. 2008; 23:S344-5.
Hagell P, Whalley D, McKenna SP, Lindvall 0. Health status measurement in Parkinson's disease: validity of the PDQ-39 and Nottingham Health Profile. Mov Disord. 2003 Jul 1;18(7):773-83.