Disease severity and progression in progressive supranuclear palsy and multiple system atrophy : validation of the NNIPPS - PARKINSON PLUS SCALE
Citation
Payan , C A M , Viallet , F , Landwehrmeyer , B G , Bonnet , A-M , Borg , M , Durif , F , Lacomblez , L , Bloch , F , Verny , M , Fermanian , J , Agid , Y , Ludolph , A C , Leigh , P N , Bensimon , G , on behalf of the NNIPPS Study Group & Counsell , C 2011 , ' Disease severity and progression in progressive supranuclear palsy and multiple system atrophy : validation of the NNIPPS - PARKINSON PLUS SCALE ' , PloS ONE , vol. 6 , no. 8 , e22293 . https://doi.org/10.1371/journal.pone.0022293
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