Agabiti, Nera, Maria Assunta Porretta, Lisa Bauleo, Angelo Coppola, Gianluigi Sergiacomi, Armando Fusco, Francesco Cavalli, et al. 2014. “Idiopathic Pulmonary Fibrosis (IPF) Incidence and Prevalence in Italy”. Sarcoidosis, Vasculitis and Diffuse Lung Diseases 31 (3): 191-97. https://mattioli1885journals.com/index.php/sarcoidosis/article/view/3695.