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The study yielded the following major results:(1)Odor identification was impaired in PD patients.It was not influenced by treatment with antiparkinsonian drugs.(2)The OERP latencies were prolonged in both PD patients taking and not taking antiparkinsonian drugs;however,this effect was more pronounced in PD patients taking antiparkinsonian drugs.(3)The intranasal chemosensory trigeminal system seemingly was neither affected by the neuronal degeneration seen in PD nor by treatment with antiparkinsonian drugs. |
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