Acta Neurologica Scandinavica · 2015 · 42 citations · 36 references
The non-motor problems of advanced PD seem to develop independently of treatment with STN-DBS. This may influence the strategy for choice of when to perform this therapy for eligible patients.
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Marshal F. Folstein, Susan E. Folstein, Paul R. McHugh · Journal of Psychiatric Research · 1975 · 85.9K citations
A New Method for Measuring Daytime Sleepiness: The Epworth Sleepiness Scale
Murray W. Johns · SLEEP · 1991 · 16.8K citations · Full text
A New Depression Scale Designed to be Sensitive to Change
Stuart Montgomery, Marie Åsberg · The British Journal of Psychiatry · 1979 · 13.7K citations