Dropout Rate of Participants in Randomized Clinical Trials That Use Virtual Reality to Train Balance and Gait in Parkinson’s Disease. A Systematic Review With Meta-analysis and Meta-regression

1. Parra, A.G.
2. Gonzalez-Medina, G.
3. Perez-Cabezas, V.
4. Casuso-Holgado, M.J.
5. Vinolo-Gil, M.J.
6. García-Muñoz, C.