Kyphon Balloon Kyphoplasty (FREE) clinical study results Web version of the study outcomes: Efficacy and Safety of Balloon Kyphoplasty Compared with Non-Surgical Care for Vertebral Compression Fracture (FREE): A Level 1, Randomised Controlled Trial. Wardlaw D, Cummings SR, Van Meirhaeghe J. et al. The Lancet 2009; 373:1016-24 Compressionfracturestudy.org~Site InfoWhoisTrace RouteRBL Check