Relapse in patients with ANCA-associated vasculitis: A cohort study from a centre for rheumatic diseases in Colombia Ana María Romero-Millán; Andrés Arango-Vieira; Jaime Andrés Ibarra-Burgos; Maria Antonia Mesa-Maya; María José Orrego-Garay; Santiago Gómez-Maya; Tomás Giraldo-Hinestroza; Fabio Torres-Saavedra; Diego Fernando Rojas-Gualdrón; Juan Camilo Díaz-Coronado;

Pattern of prescription drugs used for patients diagnosed with systemic vasculitis Luis Fernando Valladales-Restrepo; Diego Alejandro Medina-Morales; Camilo Constain-Mosquera; Katherine Vargas-Díaz; Natalia Marcela Peña-Verjan; Lina María Saldarriaga-Rivera; Jorge Enrique Machado-Alba;

Schönlein-Henoch purpura in adults: Report of four cases Laura Carolina Camacho-Pérez; Manuela Rubio-Rivera;