PT - JOURNAL ARTICLE AU - HEINER APPEL AU - JOACHIM SIEPER TI - Analysis of Bone Samples from Patients with Spondyloarthritides—Identifying Causes of New Bone Formation in Axial Spondyloarthritis AID - 10.3899/jrheum.150046 DP - 2015 Apr 01 TA - The Journal of Rheumatology PG - 561--563 VI - 42 IP - 4 4099 - http://www.jrheum.org/content/42/4/561.short 4100 - http://www.jrheum.org/content/42/4/561.full SO - J Rheumatol2015 Apr 01; 42