Archives of Gerontology and Geriatrics · 2001 · 109 citations · 36 references
SleepPsychiatryParkinson DiseaseDepressionSocial SciencesNeuroscienceInsomniaMedicinePsychopathologyDepressive Symptoms
36
Margaret M. Hoehn, Melvin D. Yahr · Neurology · 1967 · 11.9K citations · Full text
Marianne Sullivan, Jan Karlsson, John E. Ware · Social Science & Medicine · 1995 · 1.3K citations
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