%0 Journal Article %A F.J.F. Herth %A A. Ernst %A R. Eberhardt %A P. Vilmann %A H. Dienemann %A M. Krasnik %T Endobronchial ultrasound-guided transbronchial needle aspiration of lymph nodes in the radiologically normal mediastinum %D 2006 %R 10.1183/09031936.06.00124905 %J European Respiratory Journal %U https://erj.ersjournals.com/content/erj/early/2006/06/28/09031936.06.00124905.full.pdf