Three-Dimensional Printing of the Patellofemoral Joints of Patellar Instability Patients oleh Brian G. Beitler, B.S., Kristin E. Yu, M.D., Annie Wang, M.D., David B. Frumberg, M.D., Steven M. Tommasini, Ph.D., Daniel H. Wiznia, M.D., Daniel R. Cooperman, M.D., Lisa L. Lattanza, M.D., John P. Fulkerson, M.D.