title: Parkinson's Disease and Its Management: Part 1: Disease Entity, Risk Factors, Pathophysiology, Clinical Presentation, and Diagnosis.
abstract: This article-the first of a five-part series-discusses possible causes, symptoms, diagnosis, and goals for treatment of Parkinson's disease. Identifying diseases that have similar presentations is an important component of the diagnostic process.
authors.forename: George
authors.initials: G
authors.lastname: DeMaagd
authors.forename: Ashok
authors.initials: A
authors.lastname: Philip