Combined effects of insulin-like growth factor-1 and transforming growth factor-beta1 on periosteal mesenchymal cells during chondrogenesis in vitro. - Fukumoto,T.; Sperling,J.W.; Sanyal,A.; Fitzsimmons,J.S.; Reinholz,G.G.; Conover,C.A.; O'Driscoll,S.W. (Osteoarthritis Cartilage, 2003)