Setback spurs Parkinson's disease research.
Williams
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D000328:Adult; D000368:Aged; D017690:Cell Transplantation / Q000379:methods / Q000706:statistics & numerical data; D002986:Clinical Trials as Topic; D006801:Humans; D008875:Middle Aged; D009474:Neurons / Q000166:cytology / Q000637:transplantation*; D010300:Parkinson Disease / Q000628:therapy*; D016032:Randomized Controlled Trials as Topic; D012106:Research; D016896:Treatment Outcome