Peppas, Nicholas A. and Robert Langer. "New Challenges in Biomaterials." Science , New Series 263/5154 (March 25, 1994): 1715-1720.

Peppas, Nicholas A. and Robert Langer. "New Challenges in Biomaterials." Science , New Series 263/5154 (March 25, 1994): 1715-1720.