Persistent Postural-Perceptual Dizziness (PPPD): A Common, Characteristic and Treatable Cause of Chronic Dizziness
Pract Neurol 18:5-13, Popkirov, S.,et al, 2018
What Contributes to Quality of Life in Patients with Parkinson's Disease?
JNNP 69:308-312,289, Schrag,A. et al, 2000