1. Andrew JG, Hoyland JA, Freemont AJ, Marsh DR (1995) Platelet-derived growth factor expression in normally healing human fractures. Bone 16(4):455–460
2. Badet J, Soncin F, N’Guyen T, Barritault D (1990) In vivo and in vitro studies of angiogenin—a potent angiogenic factor. Blood Coagul Fibrinolysis 1(6):721–724
3. Barnes GL, Kostenuik PJ, Gerstenfeld LC, Einhorn TA (1999) Growth factor regulation of fracture repair. J Bone Miner Res 14(11):1805–1815
4. Bolander ME (1992) Regulation of fracture repair by growth factors. Proc Soc Exp Biol Med 200(2):165–170
5. Bourque WT, Gross M, Hall BK (1993) Expression of four growth factors during fracture repair. Int J Dev Biol 37(4):573–579