2021 clinical practice guideline for the early detection, diagnosis, treatment, and monitoring of patients with axial spondyloarthritis. Colombian Association of Rheumatology Wilson Bautista-Molano; Lina M. Saldarriaga-Rivera; Alejandro Junca-Ramírez; Andrés R. Fernández-Aldana; Daniel G. Fernández-Ávila; Diego A. Jaimes; Edwin A. Jauregui; Juan S. Segura-Charry; Consuelo Romero-Sanchez; Oscar J. Felipe-Diaz;

Recommendations of the Mexican College of Rheumatology for the management of spondyloarthritis Greta Reyes-Cordero; Favio Enríquez-Sosa; Citlallyc Gomez-Ruiz; Verónica Gonzalez-Diaz; José Dionisio Castillo-Ortiz; Sergio Duran-Barragán; J. Santos Duran-Ortiz; Rolando Espinosa-Morales; Jorge I. Gamez-Nava; Laura Gonzalez-Lopez; Bernardo Julian-Martínez; Angélica Mendoza-Fuentes; Cesar Ramos-Remus; Cesar Pacheco-Tena; Ruben Burgos-Vargas;

Changes in immature granulocyte levels and their association with disease activation following biologic therapy in patients with ankylosing spondylitis Burak Okyar; Servet Yüce; ¿brahim Halil Bilen; Bekir Torun; ¿lyas Öztürk; Gözde Y¿ld¿r¿m Çetin;