TY - JOUR AU - Refshauge K. AU - Henschke N. AU - Maher C. BT - Journal of Clinical Epidemiology CN - Y LA - eng LB - MSjournal M1 - 2 PY - 2008 SP - 110 EP - 8. ST - J Clin Epidemiol. T2 - Journal of Clinical Epidemiology TI - A systematic review identifies five “red flags” to screen for vertebral fracture in patients with low back pain VL - 61 ER -