Louis Elan D, Bromley Steven M, Jurewicz Eva C, Watner Dryden
Gertrude H. Sergievsky Center and the Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, NY, USA.
Neurology. 2002 Nov 26;59(10):1631-3. doi: 10.1212/01.wnl.0000033798.85208.f2.
Because olfactory dysfunction is a feature of neurodegenerative diseases, the authors hypothesized that it would be present in essential tremor. Thirty-seven cases and control subjects underwent the University of Pennsylvania Smell Identification Test. Mean score was lower in cases than in control subjects (29.0 +/- 6.1 vs 31.9 +/- 4.6, p = 0.02) and was not correlated with tremor severity or duration.
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