Bilateral Transplantation of Allogenic Adult Human Bone Marrow-Derived Mesenchymal Stem Cells into the Subventricular Zone of Parkinson’s Disease: A Pilot Clinical Study oleh N. K. Venkataramana, Rakhi Pal, Shailesh A. V. Rao, Arun L. Naik, Majahar Jan, Rahul Nair, C. C. Sanjeev, Ravindra B. Kamble, D. P. Murthy, Krishna Chaitanya