Pigna, F., S. Calamai, F. Scioscioli, L. Buttarelli, F. Nicolini, and G. Cervellin. “Thorned Heart. Description of a Near-Fatal Cardiac Embolism After Percutaneous Vertebroplasty”. Emergency Care Journal, vol. 16, no. 1, May 2020, doi:10.4081/ecj.2020.8739.