RESER/NVAN: Spanish Registry of patients with ANCA- associated vasculitis: objectives and methodology Susana Romero-Yuste; Manuel Macía; Marta Domínguez-Álvaro; Antonio Fernández-Nebro; Miquel Blasco; Javier Narváez; Gema Fernández; Íñigo Rúa-Figueroa; Desirée Luis-Rodríguez; Beatriz Ventosa;

Residence at high altitude as a risk factor for high probability of pulmonary hypertension in patients with systemic sclerosis: A case¿control study Luis Javier Cajas; Julia Recalde Reyes; Javier Alejandro Correa; Wilder Carvajal; Carolina Torres; José S. Cortés;

Approach to interstitial lung disease associated with systemic sclerosis¿A survey to pulmonologists and rheumatologists in Colombia Javier Leonardo Galindo; Olga Milena García; Diana Rocío Gil; Luis Javier Cajas; Emily Rincón-Álvarez; Manuela Rubio;