The dose of growth factors influences the synergistic effect of vascular endothelial growth factor on bone morphogenetic protein 4-induced ectopic bone formation.
Li G, Corsi-Payne K, Zheng B, Usas A, Peng H, Huard J. The dose of growth factors influences the synergistic effect of vascular endothelial growth factor on bone morphogenetic protein 4-induced ectopic bone formation. Tissue Eng Part A. 2009 Aug; 15(8):2123-33.