1. The challenge of diagnosis and classification in early ankylosing spondylitis: do we need new criteria Arthritis R;Rudwaleit;heum,2005
2. Ultrasound imaging in spondyloarthropathies.;DAgostino;Best Pract Res Clin Rheumatol,2010
3. Progress in spondyloarthritis. Spondyloarthritis: lessons from imaging.;Maksymowych;Arthritis Res Ther,2009
4. Clinical features and prognosis of patients with possible ankylosing spondylitis. Results of a 10-year follow up.;Mau;J Rheumatol,1988
5. Two major spondyloarthropathy phenotypes are distinguished by pattern analysis in multiplex families.;Porcher;Arthritis Rheum,2005