Schmidmaier, G., Wildemann, B., Gäbelein, T., Heeger, J., Kandziora, F., Haas, N., & Raschke, M. (2003). Synergistic effect of IGF-I and TGF-ß1 on fracture healing in ratsSingle versus combined application of IGF-I and TGF-ß1. Acta Orthopaedica, 74(5), 604–610. https://doi.org/10.1080/00016470310018036