Zimmermann, G., Henle, P., Kusswette, M., Moghaddam, A., Wentzensen, A., Richter, W., & Weiss, S. (2009). Growth transformation factor (GTF) as a marker of a delayed consolidation of fractures. ORTHOPAEDICS TRAUMATOLOGY and PROSTHETICS, (1), 57–65. https://doi.org/10.15674/0030-59872009157-65