Contemporary Clinical Trials · 2019 · 43 citations · 48 references
MedicineNeurologyOutcomes ResearchPalliative CarePalliative MedicinePalliative Care For Neurological DiseaseParkinson DiseasePatient-centered Outcomes ResearchComparative Effectiveness TrialsOutpatient Palliative CarePalliative TherapyParkinson's Disease Palliative CareParkinson’s Disease TreatmentPatient Outcomes MeasurementPragmatic Trial Design
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The Hospital Anxiety and Depression Scale
A. S. Zigmond, R. P. Snaith · Acta Psychiatrica Scandinavica · 1983 · 46.6K citations
Margaret M. Hoehn, Melvin D. Yahr · Neurology · 1967 · 12K citations · Full text