To investigate the relationships between age, the advanced clinical stages of Parkinson s disease and neuropathology, we surveyed 129 case records from donors with pathologically proven Parkinson s disease at the Queen Square Brain Bank for Neurological Disorders.
Kempster, P., O'Sullivan, S., Holton, J., Revesz, T., & Lees, A. (2010). Relationships between age and late progression of Parkinson's disease: a clinico-pathological study. Brain, 133(Pt. 6), 1755 - 1762. https://doi.org/10.1093/brain/awq059