The onset of nonmotor symptoms in Parkinson's disease (the ONSET PD study).

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@article{PontSunyer2015TheOO, title={The onset of nonmotor symptoms in Parkinson's disease (the ONSET PD study).}, author={Claustre Pont-Sunyer and Anna Hotter and Carles Gaig and Klaus Seppi and Yaroslau Compta and Regina Katzenschlager and Nat{\`a}lia Mas and Dominik Hofeneder and Thomas Bruecke and {\`A}ngels Bay{\'e}s and Karoline Wenzel and Jon Infante and Heidemarie Zach and Walter Pirker and Ignacio Javier Posada and Ramiro {\'A}lvarez and Lourdes Ispierto and Oriol De Fabregues and Antoni Call{\'e}n and Antoni Palas{\'i} and Miquel Aguilar and Maria Jose Marti and Francesc Valldeoriola and Manel Salamero and Werner Poewe and Eduardo Tolosa}, journal={Movement disorders : official journal of the Movement Disorder Society}, year={2015}, volume={30 2}, pages={229-37} }