title: Comment on: efficacy and safety of balloon kyphoplasty in the treatment of vertebral compression fractures: a systematic review (C. Bouza et al.).
authors: Department of Orthopaedics, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands. j.j.verlaan@umcutrecht.nl
authors: J J
authors: JJ
authors: Verlaan