Few Parkinson transplants now, as teams reconsider.
D000313:Adrenal Medulla / Q000637:transplantation*; D002986:Clinical Trials as Topic; D006801:Humans; D010300:Parkinson Disease / Q000601:surgery*; D011897:Random Allocation; D013673:Technology Assessment, Biomedical; D013714:Tennessee; D014182:Transplantation, Autologous / Q000706:statistics & numerical data*