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Trophic factors therapy in Parkinson's disease.
Ramaswamy S, Soderstrom KE, Kordower JH. Ramaswamy S, et al. Prog Brain Res. 2009;175:201-16. doi: 10.1016/S0079-6123(09)17514-3. Prog Brain Res. 2009. PMID: 19660658 Free PMC article. Review.