Engineering Cartilage in a Photochemically Crosslinked Collagen Gel - Ibusuki, Shinichi; Papadopoulos, Anestis; Ranka, Milan P.; Halbesma, Gertjan J.; Randolph, Mark A.; Redmond, Robert W.; Kochevar, Irene E.; Gill, Thomas J. (The Journal of Knee Surgery, 2009)