RT Journal Article SR Electronic T1 Idiopathic pulmonary fibrosis: present understanding and future options JF European Respiratory Review JO EUROPEAN RESPIRATORY REVIEW FD European Respiratory Society SP 132 OP 133 DO 10.1183/09059180.00001511 VO 20 IS 121 A1 du Bois, R.M. YR 2011 UL https://publications.ersnet.org//content/20/121/132.abstract AB