Heterogeneity of Parkinson's disease.
Schrag
A
A
Quinn
N P
NP
Ben-Shlomo
Y
Y
D000368:Aged; D015331:Cohort Studies; D003430:Cross-Sectional Studies; D018450:Disease Progression; D005260:Female; D006801:Humans; D008131:London; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000145:classification / Q000175:diagnosis* / Q000453:epidemiology