Are Upper-Body Axial Symptoms a Feature of Early Parkinson's Disease? oleh Caroline Moreau, David Devos, Guillaume Baille, Arnaud Delval, Céline Tard, Thierry Perez, Nicolas Danel-Buhl, David Seguy, Julien Labreuche, Alain Duhamel, Marie Delliaux, Kathy Dujardin, Luc Defebvre