Nonmotor symptoms are assuming an increasingly important place in the constellation of clinical traits that characterize Parkinson disease. A multicenter survey of patients with Parkinson disease highlights the prevalence of these symptoms. The findings indicate that further research into the pathophysiology and treatment of nonmotor symptoms is warranted.
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R.F. Pfeiffer has received honoraria from Boehringer-Ingelheim, GlaxoSmithKline, Novartis, Schwarz and Teva for lectures and honoraria from Ipsen and Solvay for consulting. He has also received research funding from Boehringer-Ingelheim, Eisai, Kyowa, Novartis, Santhera and Schwarz.
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Pfeiffer, R. Nonmotor symptoms in Parkinson disease: the PRIAMO study. Nat Rev Neurol 5, 531–532 (2009). https://doi.org/10.1038/nrneurol.2009.156
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DOI: https://doi.org/10.1038/nrneurol.2009.156
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