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. 1983 Jul;33(7):943-6.
doi: 10.1212/wnl.33.7.943.

Olfactory impairment in Parkinson's disease

C D Ward, W A Hess, D B Calne

Olfactory impairment in Parkinson's disease

C D Ward et al. Neurology. 1983 Jul.

Abstract

In comparison with closely matched controls, patients with Parkinson's disease had reduced scores in tests of odor detection and qualitative discrimination. Olfactory impairment was not related to age, duration of symptoms, treatment, intellectual function, or genetic factors and seemed to be a nonmotor manifestation of the disease.

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