title: Olfactory function in essential tremor: a deficit unrelated to disease duration or severity.
mesh_terms: D000368:Aged; D002531:Cerebellum / Q000503:physiopathology; D003937:Diagnosis, Differential; D020329:Essential Tremor / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D000857:Olfaction Disorders / Q000150:complications / Q000503:physiopathology*; D010300:Parkinson Disease / Q000175:diagnosis; D012720:Severity of Illness Index; D013997:Time Factors