- Obtained from: The National Swine Resource and Research Center requested by Dr. Bill Velander, University of Nebraska
- JG Zhao, E.M. Walters, J. Calcaterra, J.W. Ross, L.D. Spate, M.S. Samuel, A. Rieke, C.N. Murphy, S. Butler, W.H. Velander, R.S. Prather. 2011. Bioengineering of the Mammary Gland of Livestock: Increased propeptide processing of Factor IX in the milk of transgenic pigs by co-expression of Furin. 37th Annual International Embryo Transfer Society. Orlando, FL.
- JG Zhao, J.W. Ross, J.J. Whyte, D.M. Wax, L.D. Spate, M.S. Samuel, E.M. Walters, A. Rieke, C.N. Murphy, K.D. Wells, R.S. Prather. Production of transgenic pigs carrying human coagulation factor ix, the furin propeptide cleavage enzyme and serpina1 by somatic cell nuclear transfer. International Conference on Pig Reproduction. Banff, Canada May 31- June 4th, 2009