title: Idiopathic pulmonary fibrosis: the disease in search of its cause.
authors.forename: Om P
authors.initials: OP
authors.lastname: Sharma
mesh_terms: D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D011658:Pulmonary Fibrosis / Q000175:diagnosis / Q000209:etiology / Q000266:history*; D009626:Terminology as Topic