Comment on

• Transplantation of embryonic dopamine neurons for severe Parkinson's disease.

  Freed CR, Greene PE, Breeze RE, Tsai WY, DuMouchel W, Kao R, Dillon S, Winfield H, Culver S, Trojanowski JQ, Eidelberg D, Fahn S. Freed CR, et al. N Engl J Med. 2001 Mar 8;344(10):710-9. doi: 10.1056/NEJM200103083441002. N Engl J Med. 2001. PMID: 11236774 Clinical Trial.