Handbook of Atypical Parkinsonism / Edited by Carlo Colosimo, David E. Riley, Gregor K. Wenning. - 1 online resource (174 pages) : digital, PDF file(s). Title from publisher's bibliographic system (viewed on 28 Apr 2015). ISBN: 9780511920936 (ebook) Subjects--Topical Terms: Symptomatic Parkinson's disease.Parkinsonian Disorders--diagnosis.Diagnosis, Differential.Parkinsonian Disorders--therapy.