Effect of Eight-Week Online Cognitive Training in Parkinson’s Disease: A Randomized Controlled Trial
Published in 2021 by
Tim D. van Balkom,
Henk W. Berendse,
Ysbrand D. van der Werf 
,
Jos W. R. Twisk,
Carel F. W. Peeters,
Rob H. Hagen,
Tanja Berk,
Odile A. van den Heuvel,
Chris Vriend
,
Jos W. R. Twisk,
Carel F. W. Peeters,
Rob H. Hagen,
Tanja Berk,
Odile A. van den Heuvel,
Chris Vriend
