Spagnolo, Paolo, Roberto Tonelli, Elisabetta Cocconcelli, Alessandro Stefani, and Luca Richeldi. “Idiopathic Pulmonary Fibrosis: Diagnostic Pitfalls and Therapeutic Challenges”. Multidisciplinary Respiratory Medicine 7 (November 12, 2012). Accessed June 30, 2025. https://mail.mrmjournal.org/index.php/mrm/article/view/629.