authors Thacker, E L O'Reilly, E J Weisskopf, M G Chen, H Michael Schwarzschild, MD, PhD McCullough, M L Calle, E E Thun, M J Ascherio, A
has subject area Adult Age Factors Aged Aged, 80 and over Cohort Studies Female Humans Incidence Male Middle Aged Odds Ratio Parkinson Disease Prevalence Proportional Hazards Models Prospective Studies Retrospective Studies Risk Risk Factors Sex Factors Smoking