1. Seronegative spondarthritides;Moll,1986
2. A wider spectrum of spondyloarthropathies;Khan;Seminars in Arthritis and Rheumatism,1990
3. Undifferentiated spondyloarthropathies;Khan,1990
4. Undifferentiated spondyloarthropathies;Zeidler;Rheumatic Disease Clinics of North America,1992
5. Critères de classification des spondylarthropathies;Amor;Revue du Rhumatisme et des Maladies Ostéoarticulaires,1990