G. Ghoshal, T. Heffter, E. Williams, C. Bromfield, S. Scott, L. Rund, J.M. Ehrhardt, C.J. Diederich, E.C. BurdetteNational Center for Image Guided Therapy (NCIGT) 6th Image Guided Therapy Workshop, March 21-23, 2013, Crystal City, VA Poster_In vivo treatment of pig liver using steerable needle therapeutic ultrasound with combined imaging and electromagnetic tracking system.pdf