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Article

Is olfactory impairment in Parkinson disease related to phenotypic or genotypic characteristics?

Neurology - 2 Dec 2008

Verbaan D, Boesveldt S, van Rooden S M, Visser M, Marinus J, Macedo M G, Fang Y, Heutink P, Berendse H W, van Hilten J J

Abstract excerpt

OBJECTIVE: To evaluate the relation between olfactory impairment (OI) and other impairment domains in Parkinson disease (PD) and the characteristics of OI in patients with certain genotypic characteristics. METHODS: In 295 nondemented patients with PD and 150 controls with a similar overall age and sex distribution, olfactory function was evaluated with the identification (ID) and discrimination (DIS) tests of...

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PMID: 19047559
DOI: 10.1212/01.wnl.0000336651.48596.c7

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APOE
SNCA

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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