@book { editor = {du Bois, R.M. and Richeldi, L.}, title = {Interstitial Lung Diseases}, pages = {406}, year = {2009}, doi = {10.1183/1025448x.ERM4609}, publisher = {European Respiratory Society Journals Ltd}, isbn = {978-1-904097-97-6}, URL = {https://books.ersjournals.com/content/9781904097976/9781904097976} }