University of Minnesota reports breakthrough in 3-D printing for spinal cord repair, addressing a key hurdle to implanting stem cells for repairing spinal cord injuries

Animal and human tests are needed, but Minnesota engineers have addressed a key hurdle in using stem cells.

About Robert Zinn

Robert Zinn, M.D., Ph.D. is a medical doctor, physician, and web entrepreneur, who, for over 15 years was employed by academic and research institutions and focused his clinical practices on very specialized patient populations, such as those with rare genetic diseases or rare cancers. He shares his knowledge through his website,

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