Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Flowchart. N: number of patients, TCD: transcranial duplex, SPECT single photon emission computer tomography, IPD: idiopathic Parkinson's disease, APS: atypical parkinsonian syndromes, ET: essential tremor, VP: vascular parkinsonism, DIP: drug induced parkinsonism, restgroup: two patients had spontaneous disappeared parkinsonism, 1 normal pressure hydrocephalus and 1 frontotemporal dementia.
