TY - JOUR AU - Mayr-Wohlfart, U. AU - Kessler, S. AU - Puhl, W. AU - Günther, K. P. AU - Knöchel, W. DO - doi:10.1302/0301-620X.83B1.0830144 UR - https://doi.org/10.1302/0301-620X.83B1.0830144 TI - BMP-4 of Xenopus laevis stimulates differentiation of human primary osteoblast-like cells T2 - The Journal of Bone & Joint Surgery British Volume VL - 83-B IS - 1 PY - 2001 SP - 144 EP - 147 ER -