Bilateral olfactory dysfunction in early stage treated and untreated idiopathic Parkinson's disease.

Abstract

Decreased olfactory function is among the first signs of idiopathic Parkinson's disease (PD). Whether such dysfunction is present to the same degree on both sides of the nose, however, is unknown. Furthermore, whether the deficit results from or is influenced by anti-Parkinsonian medications has not been definitely established. Odour identification ability… (More)

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@article{Doty1992BilateralOD, title={Bilateral olfactory dysfunction in early stage treated and untreated idiopathic Parkinson's disease.}, author={Richard L Doty and Matthew B. Stern and Christiane Pfeiffer and Stephen M. Gollomp and Howard I. Hurtig}, journal={Journal of neurology, neurosurgery, and psychiatry}, year={1992}, volume={55 2}, pages={138-42} }