Diagnosis and Treatment of Parkinson DiseaseJAMA 323:548-560, Armstrong, M.J. & Okun, M.S., 2020
Parkinsons DiseaseLancet 373:2055-2066, Lees,A.J.,et al, 2009
Treatments of Parkinson DiseaseArch Neurol 60:1680-1684, Shults,C.W., 2003