authors Iwaki, Hirotaka Hughes, Katherine C Gao, Xiang Michael Schwarzschild, MD, PhD Ascherio, Alberto
has subject area Aged Asymptomatic Diseases Constipation Humans Longitudinal Studies Male Middle Aged Odds Ratio Olfaction Disorders Parkinson Disease Restless Legs Syndrome Retrospective Studies Surveys and Questionnaires
Keywords Hyposmia Parkinson's disease Premotor symptoms REM sleep behavior disorder Restless legs syndrome