@article{fda2631c919b493b959c05b6e4dd9bb2,
title = "Excessive daytime sleepiness and its risk factors in incident Parkinson's disease",
keywords = "Aged, Aged, 80 and over, Catechol O-Methyltransferase/genetics, Disorders of Excessive Somnolence/complications, Female, Genetic Association Studies/methods, Humans, Incidence, Male, Parkinson Disease/complications, Polymorphism, Single Nucleotide, Prevalence, Psychiatric Status Rating Scales/statistics & numerical data, Risk Factors, United Kingdom/epidemiology",
author = "Breen, {David P} and Williams-Gray, {Caroline H} and Mason, {Sarah L} and Tom Foltynie and Barker, {Roger A}",
year = "2013",
month = feb,
doi = "10.1136/jnnp-2012-304097",
language = "English",
volume = "84",
pages = "233--4",
journal = "Journal of Neurology, Neurosurgery & Psychiatry",
issn = "0022-3050",
publisher = "BMJ Publishing Group",
number = "2",
}