RT Journal Article SR Electronic T1 Ambulatory oxygen in interstitial lung disease JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 987 OP 990 DO 10.1183/09031936.00190710 VO 38 IS 4 A1 D. Visca A1 A. Montgomery A1 A. de Lauretis A1 P. Sestini A1 H. Soteriou A1 T.M. Maher A1 A.U. Wells A1 E.A. Renzoni YR 2011 UL http://erj.ersjournals.com/content/38/4/987.abstract AB