Title: Determinants of the timing of symptomatic treatment in early Parkinson disease: The National Institutes of Health Exploratory Trials in Parkinson Disease (NET-PD) Experience.
Journal: Archives of neurology 20090901
Title: A randomized clinical trial of coenzyme Q10 and GPI-1485 in early Parkinson disease.
Journal: Neurology 20070102
Title: GPI-1485 (Guilford).
Journal: Current opinion in investigational drugs (London, England : 2000) 20040101