Tai Chi and Postural Stability in Patients with Parkinson’s Disease
The New England Journal of Medicine
Fuzhong Li, Ph.D., Peter Harmer, Ph.D., M.P.H., Kathleen Fitzgerald, M.D.,
Elizabeth Eckstrom, M.D., M.P.H., Ronald Stock, M.D., Johnny Galver, P.T.,
Gianni Maddalozzo, Ph.D., and Sara S. Batya, M.D.