Ballard, D. H., Jammalamadaka, U., Tappa, K., Weisman, J. A., Boyer, C. J., Alexander, J. S., & Woodard, P. K. (2018). 3D printing of surgical hernia meshes impregnated with contrast agents: In vitro proof of concept with imaging characteristics on computed tomography. 3D Print Med.

Ballard, David H., Udayabhanu Jammalamadaka, Karthik Tappa, Jeffery A. Weisman, Christen J. Boyer, Jonathan Steven Alexander, i Pamela K. Woodard. "3D Printing of Surgical Hernia Meshes Impregnated With Contrast Agents: In Vitro Proof of Concept With Imaging Characteristics On Computed Tomography." 3D Print Med 2018.

Ballard, David H., et al. "3D Printing of Surgical Hernia Meshes Impregnated With Contrast Agents: In Vitro Proof of Concept With Imaging Characteristics On Computed Tomography." 3D Print Med 2018.