Real-time, image-based 3D-2D registration for ultrasound-guided spinal interventions. - Tharindu De Silva; Ali Uneri; Xiaoxuan Zhang; Michael D. Ketcha; Runze Han; Matthew W. Jacobson; Niral Sheth; Sebastian Vogt 001; Gerhard Kleinszig; A. Belzberg; D. M. Sciubba; Jeffrey H. Siewerdsen (Image-Guided Procedures, 2018)