RT Journal Article SR Electronic T1 Disorders of the Respiratory Tract. Common Challenges in Primary Care JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1293 OP 1293 VO 28 IS 6 A1 Thiadens, H.A. YR 2006 UL http://erj.ersjournals.com/content/28/6/1293.2.abstract AB