Fardellone P, Cortet B, Legrand E, Bresse X, Bisot-Locard S, Vigneron AM, Beresniak A. Cost-effectiveness model of using zoledronic acid once a year versus current treatment strategies in postmenopausal osteoporosis. Joint Bone Spine. 2010 Jan;77(1):53–7. doi: 10.1016/j.jbspin.2009.04.009. PMID: 20034831.