The effects of levodopa on tongue strength and endurance in patients with Parkinson's disease.


The aim of this study is to investigate the effects of levodopa on measures of strength and endurance of tongue muscle contraction in patients with Parkinson's disease (PD). Ten patients with idiopathic PD were included. All patients were studied in practically defined on- and off-phases. They were asked to perform isometric tongue protrusions, which were… (More)


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