MR-defined fat infiltration of the lumbar paravertebral muscles differs between non-radiographic axial spondyloarthritis and established ankylosing spondylitis

• Ozgur Akgul, Arif Gulkesen, Gurkan Akgol, Salih Ozgocmen

• Modern Rheumatology, September 2012, Informa Healthcare
• DOI: 10.1007/s10165-012-0750-6