Progression of Nonradiographic Axial Spondyloarthritis to Ankylosing Spondylitis: A Population‐Based Cohort Study - Wang, Runsheng; Gabriel, Sherine E.; Ward, Michael M. (Arthritis & rheumatology (Hoboken, N.J.), 2016)
Keywords: Adolescent; Adult; Cohort Studies; Confidence intervals; Disease Progression; Female; Humans; Male; Middle Aged; Spondylarthritis - complications; Spondylitis, Ankylosing - etiology; Survival analysis; Young Adult