title: Unclassified or unclassifiable interstitial lung disease: confusing or helpful disease category?
authors.forename: Vincent
authors.initials: V
authors.lastname: Cottin
authors.forename: Athol
authors.initials: A
authors.lastname: Wells
mesh_terms: D005260:Female; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D017563:Lung Diseases, Interstitial / Q000453:epidemiology*; D008297:Male