Keller TS, Harrison DE, Colloca CJ, Harrison DD, Janik TJ (2003). "Prediction of osteoporotic spinal deformity". Spine. 28 (5): 455–62. doi:10.1097/00007632-200303010-00009. PMID 12616157.
Keynan, Ory; Fisher, CG; Vaccaro, A; Fehlings, MG; Oner, FC; Dietz, J; Kwon, B; Rampersaud, R; Bono, C; France, J; Dvorak, M (Mar 1, 2006). "Radiographic measurement parameters in thoracolumbar fractures: a systematic review and consensus statement of the spine trauma study group." (PDF). Spine. 31 (5): E156–65. doi:10.1097/01.brs.0000201261.94907.0d. PMID 16508540.
Pfeifer M, Begerow B, Minne HW (2004). "Effects of a new spinal orthosis on posture, trunk strength, and quality of life in women with postmenopausal osteoporosis: a randomized trial". American Journal of Physical Medicine & Rehabilitation. 83 (3): 177–86. doi:10.1097/01.PHM.0000113403.16617.93. PMID 15043351.
Chalmers TC, Smith H Jr, Blackburn B, Silverman B, Schroeder B, Reitman D, Ambroz A (1981). "A method for assessing the quality of a randomized control trial". Controlled Clinical Trials. 2 (1): 31–49. doi:10.1016/0197-2456(81)90056-8. PMID 7261638.
