The epidemiology of Parkinson's disease.
D000367:Age Factors; D000368:Aged; D003693:Delirium / Q000150:complications; D004671:Encephalitis, Arbovirus / Q000150:complications; D006801:Humans; D009886:Ophthalmoplegia / Q000150:complications; D010300:Parkinson Disease / Q000150:complications / Q000453:epidemiology* / Q000401:mortality; D012897:Slow Virus Diseases; D013997:Time Factors