Frequency of positive ANCA test in a population with clinical symptoms suggestive of autoimmune disease and the interference of ANA in its interpretation Consuelo Romero-Sánchez; Mario Benavides-Solarte; Isabel Galindo-Ibáñez; Ana Isabel Ospina-Caicedo; Viviana Parra-Izquierdo; Lorena Chila-Moreno; Amanda Villa; María Consuelo Casas-Gómez; Ignacio Angarita; Wilson Bautista-Molano; Verónica Romero-Álvarez; Juan Manuel Bello-Gualtero;

Mycophenolate mofetil for induction and maintenance of remission in naïve patients with granulomatosis with polyangiitis without renal involvement Yasser Emad; Yasser Ragab; Johannes J. Rasker;

Prevalence and pattern of myocardial involvement on cardiac magnetic resonance imaging in Takayasu arteritis and its relationship with disease activity Arghya Chattopadhyay; Manphool Singhal; Uma Debi; Ajay Bhal; Aman Sharma; Sanjay Jain;