Article Title,Year,Volume,Issue,Page Range,Author Sleep excessive daytime sleepiness and fatigue in Parkinson's disease,1993,5,3,235-244,van der Velde Changes in pyruvate dehydrogenase complex (PDHc) activity and [3H]QNB-receptor binding in rat brain subsequent to intracerebroventricular injection of bromopyruvate,1990,2,3,169-178,Hoyer