Harper, G., Erwin, A., Jane, C., Garry, R., Harry, W., Lorraine, M., & William, J. (1995). Contact activation of the plasma coagulation cascade. I. Procoagulant surface chemistry and energy. Journal of Biomedical Materials Research, 29(8), pp. 1005-1016. doi:10.1002/jbm.820290813

Harper, Garry, A. Erwin, C. Jane, R. Garry, W. Harry, M. Lorraine, and J. William. "Contact Activation of the Plasma Coagulation Cascade. I. Procoagulant Surface Chemistry and Energy." Journal of Biomedical Materials Research 29, no. 8 (1995): 1005-1016.

Harper, Garry, et al. "Contact Activation of the Plasma Coagulation Cascade. I. Procoagulant Surface Chemistry and Energy." Journal of Biomedical Materials Research 29.8 (1995): 1005-1016.