of the lumbar spine to predict low-back pain in asymptomatic subjects: a seven-year follow-up study. J Bone Joint Surg Am. 2001, 83–A (9): 1306–11. PMID 11568190
interactions. 2005, 4 (3): 254–67. PMID 15615493. Clohisy DR, Mantyh PW. Bone cancer pain and the role of RANKL/OPG.. Journal of musculoskeletal & neuronal interactions