RT Journal Article SR Electronic T1 Diagnosis of a posterior mediastinal goitre via endobronchial ultrasound-guided transbronchial needle aspiration JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 773 OP 775 DO 10.1183/09031936.00046309 VO 34 IS 3 A1 Jeebun, V. A1 Natu, S. A1 Harrison, R. YR 2009 UL http://erj.ersjournals.com/content/34/3/773.abstract AB