title: [Controversy and new opinions on classification of idiopathic interstitial pneumonias.].
authors.forename: Jian
authors.initials: J
authors.lastname: Kang
mesh_terms: D006801:Humans; D054988:Idiopathic Interstitial Pneumonias; D017563:Lung Diseases, Interstitial; D011379:Prognosis