3D printing stem cells directly onto injured spines to heal them

A doctor who pioneered 3D printing nearly perfect ears says 3D printing stem cells directly into injured spines would allow them to self-repair.

http://polizeros.com/2013/06/05/3d-printing-stem-cells-directly-onto-injured-spines-to-heal-them/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+PoliticsInTheZeros+%28Politics+in+the+Zeros%29