Diagnostic Value of Combined Acute Levodopa Challenge and Olfactory Testing to Predict Parkinson's Disease.
Cinthia Terroba ChambiMalco RossiAndrea BrilPatricio Millar VernettiDaniel CerquettiAngel CammarotaMarcello MerelloPublished in: Movement disorders clinical practice (2017)
The combination of response to acute levodopa challenge with hyposmia according to the total olfactory score improved sensitivity for the early diagnosis of PD.