title: Induced sputum: a new tool to monitor idiopathic pulmonary fibrosis?
authors.forename: Alfredo
authors.initials: A
authors.lastname: Chetta
authors.forename: Dario
authors.initials: D
authors.lastname: Olivieri
mesh_terms: D018893:Bronchoalveolar Lavage / Q000379:methods*; D016516:CD4-CD8 Ratio; D003937:Diagnosis, Differential; D006801:Humans; D011658:Pulmonary Fibrosis / Q000175:diagnosis* / Q000276:immunology; D015203:Reproducibility of Results; D017565:Sarcoidosis, Pulmonary / Q000175:diagnosis; D013183:Sputum / Q000166:cytology* / Q000276:immunology