http://www.businessinsider.com/3d-printed-organs-challenges-2015-8
Bioengineer reveals the biggest challenge to 3D printing organs
http://www.techinsider.io/3d-printed-organs-challenges-2015-8#ooid=tpcDNrdjowZcDnCdKyehG_RwH-9ZlGhg
Researchers at Bighamton University are working on a 3D printing process that will allow them to build tissues and organs in a lab. This could save lives as people who need an organ transplant would no longer have to wait for a suitable match to be found.
Video courtesy of Binghamton University and Andrew Hatling.
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References:
businessinsider.com
http://www.businessinsider.com/3d-printed-organs-challenges-2015-8