Lombardi, A. V., Berend, K. R., Seng, B. E., Clarke, I. C., & Adams, J. B. (2009). Delta Ceramic-on-Alumina Ceramic Articulation in Primary THA: Prospective, Randomized FDA-IDE Study and Retrieval Analysis. Springer-Verlag.

Lombardi, Adolph V., Keith R. Berend, Brian E. Seng, Ian C. Clarke, und Joanne B. Adams. Delta Ceramic-on-Alumina Ceramic Articulation in Primary THA: Prospective, Randomized FDA-IDE Study and Retrieval Analysis. Springer-Verlag, 2009.

Lombardi, Adolph V., et al. Delta Ceramic-on-Alumina Ceramic Articulation in Primary THA: Prospective, Randomized FDA-IDE Study and Retrieval Analysis. Springer-Verlag, 2009.