Orr, F. W., Varani, J., Gondek, M. D., Ward, P. A., & Mundy, G. R. (1980). Partial characterization of a bone-derived chemotactic factor for tumor cells.

Orr, F. W., J. Varani, M. D. Gondek, P. A. Ward, ja G. R. Mundy. Partial Characterization of a Bone-derived Chemotactic Factor for Tumor Cells. 1980.

Orr, F. W., et al. Partial Characterization of a Bone-derived Chemotactic Factor for Tumor Cells. 1980.