Ali (Harvard Medical School, Cambridge, Massachusetts, USA) Khademhosseini & Thomas (Northeastern University, Boston, Massachusetts, USA) Webster 
Tissue and Organ Regeneration [PDF ebook] 
Advances in Micro- and Nanotechnology

Tissue engineering aims to develop biological substitutes that restore, maintain, or improve damaged tissue and organ functionality. To date, numerous stem cells and biomaterials have been explored for a variety of tissue and organ regeneration. The challenge for existing stem cell-based techniques is that current therapies lack controlled environm