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2. 2G. D. Das, R. B. Wallace, and G. D. Das, 1983 . In Neural Tissue Transplantation Research . : 1 -64 . Springer-Verlag. New York, NY.
3. Neural tranplantation in the spinal cord of adult rats
4. 4G. D. Das, G. D. Das, and R. B. Wallace, 1986 . In Neural Transplantation and Regeneration . : 1 -61 . Springer-Verlag. New York, NY.