1. Mitteilung der wissenschaftlichen Arbeitsgemeinschaft fur die Therapie von Lungenkrankheiten: Deutsches Fibroseregister mit ersten Ergebnissen;Schweisfurth;Pneumologie,1996
2. First report of the Italian register for diffuse infiltrative lung disorders (RIPID);Agostini;Monaldi Arch. Chest Dis.,2001
3. Registration of interstitial lung diseases by 20 centres of respiratory medicine in Flanders;Thomeer;Acta Clin. Belg.,2001
4. Report on the incidence of interstitial lung diseases in Spain;Xaubet;Sarcoidosis Vasc. Diffuse Lung Dis.,2004
5. A cohort study of interstitial lung diseases in central Denmark;Hyldgaard;Respir. Med.,2014