Griffith, M. J., Breitkreutz, L., Trapp, H., Briet, E., Noyes, C. M., Lundblad, R. L., & Roberts, H. R. (1985). Characterization of the clotting activities of structurally different forms of activated factor IX. Enzymatic properties of normal human factor IXa alpha, factor IXa beta, and activated factor IX Chapel Hill.

Griffith, M J., L. Breitkreutz, H. Trapp, E. Briet, C M. Noyes, R L. Lundblad, und H R. Roberts. Characterization of the Clotting Activities of Structurally Different Forms of Activated Factor IX. Enzymatic Properties of Normal Human Factor IXa Alpha, Factor IXa Beta, and Activated Factor IX Chapel Hill. 1985.

Griffith, M J., et al. Characterization of the Clotting Activities of Structurally Different Forms of Activated Factor IX. Enzymatic Properties of Normal Human Factor IXa Alpha, Factor IXa Beta, and Activated Factor IX Chapel Hill. 1985.