External Link
https://www.sciencedirect.com/science/article/abs/pii/S096758681931433X#:~:text=Mean%20time%20used%20to%20complete%20the%20handwriting%20test%20decreased%20from,the%20UPDRS%20part%20III%20scores.
Mahidol University Faculty of Medicine Ramathibodi Hospital
Department of Clinical Epidemiology and Biostatistics