Zhang, Min The association between ankylosing spondylitis and the risk of any, hip, or vertebral fracture: A meta-analysis. [electronic resource] - Medicine Dec 2017 - e8458 p. digital Publication Type: Journal Article; Meta-Analysis; Review ISSN: 1536-5964 Standard No.: 10.1097/MD.0000000000008458 doi Subjects--Topical Terms: Fractures, Bone--etiologyHip Fractures--etiologyHumansRiskSpinal Fractures--etiologySpondylitis, Ankylosing--complications