title: To BAL or not to BAL: is this a problem in diagnosing IPF?
authors: Paolo
authors: P
authors: Spagnolo
authors: Fabrizio
authors: F
authors: Luppi
authors: Giulio
authors: G
authors: Rossi
authors: Luca
authors: L
authors: Richeldi
mesh_terms: D000542:Alveolitis, Extrinsic Allergic / Q000175:diagnosis / Q000473:pathology; D001706:Biopsy; D001992:Bronchoalveolar Lavage Fluid / Q000276:immunology*; D003937:Diagnosis, Differential; D006801:Humans; D007958:Leukocyte Count; D008168:Lung / Q000473:pathology; D017563:Lung Diseases, Interstitial / Q000175:diagnosis / Q000473:pathology; D018655:Lymphocyte Count; D009504:Neutrophils / Q000276:immunology*; D011658:Pulmonary Fibrosis / Q000175:diagnosis* / Q000473:pathology; D036542:Tomography, Spiral Computed