Efficacy and Safety of Balloon Kyphoplasty Compared with Non-Surgical Care for Vertebral Compression Fracture (FREE): A Randomised Controlled Trial

Wardlaw D, Cummings SR, Van Meirhaeghe J, Bastian L, Tillman JB, Ranstam J, Eastell R, Shabe P, Talmadge K, Boonen S for the Fracture REduction Evaluation (FREE) Study Investigators
The Lancet. March 2009; Vol 373:1016-24.