Dysphagia in parkinsonism.
D000367:Age Factors; D000368:Aged; D003680:Deglutition Disorders / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D005471:Fluoroscopy; D005683:Gagging; D006801:Humans; D008722:Methods; D010300:Parkinson Disease / Q000150:complications*; D010781:Photography