Nunley, R. M., Zhu, J., Brooks, P. J., Anderson Engh, C., Raterman, S. J., Rogerson, J. S., & Barrack, R. L. (2009). The Learning Curve for Adopting Hip Resurfacing Among Hip Specialists. Springer-Verlag.

Nunley, Ryan M., Jinjun Zhu, Peter J. Brooks, C. Anderson Engh, Stephen J. Raterman, John S. Rogerson, och Robert L. Barrack. The Learning Curve for Adopting Hip Resurfacing Among Hip Specialists. Springer-Verlag, 2009.

Nunley, Ryan M., et al. The Learning Curve for Adopting Hip Resurfacing Among Hip Specialists. Springer-Verlag, 2009.