2016 - https://3dprint.com/127916/biopen-3d-bioprinting-pen/
https://www.facebook.com/abcnews.au/videos/10156693682239988/
origin - http://www.pipiscrew.com/?p=8220 the-biopen-3d-bioprinting-pen-lets-surgeons-draw-new-cells-directly-onto-bone
2016 - https://3dprint.com/127916/biopen-3d-bioprinting-pen/
https://www.facebook.com/abcnews.au/videos/10156693682239988/
origin - http://www.pipiscrew.com/?p=8220 the-biopen-3d-bioprinting-pen-lets-surgeons-draw-new-cells-directly-onto-bone