title: Early diagnosis of Parkinson's disease.
mesh_terms: D003863:Depression / Q000150:complications; D003937:Diagnosis, Differential; D004244:Dizziness / Q000209:etiology; D006429:Hemiplegia / Q000209:etiology; D006801:Humans; D009422:Nervous System Diseases / Q000209:etiology; D010146:Pain / Q000209:etiology; D010300:Parkinson Disease / Q000150:complications / Q000175:diagnosis* / Q000209:etiology / Q000523:psychology; D012677:Sensation; D013997:Time Factors; D014202:Tremor / Q000209:etiology