Improved diagnostic sophistication is increasingly enabling neurologists to differentiate between Parkinson's disease and other atypical parkinsonism (AP), such as multiple system atrophy, progressive supranuclear palsy, corticobasal degeneration, and dementia with Lewy bodies. The Handbook of Atypical Parkinsonism is a comprehensive survey of all diseases of this category, providing an authoritative guide to the recognition, diagnosis and management...