RT Journal Article SR Electronic T1 Is bronchoscopic lung biopsy helpful in the management of patients with diffuse lung disease? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.06.00013106 A1 S. Allen Ensminger A1 U.B.S. Prakash YR 2006 UL http://erj.ersjournals.com/content/early/2006/08/09/09031936.06.00013106.abstract AB