title: Access to the mediastinum--the standard has changed.
authors.affiliation: Department of Pneumology and Critical Care Medicine, Thoraxklinik Heidelberg, German Center for Lung Research, University of Heidelberg, Heidelberg, Germany. Electronic address: felix.herth@thoraxklinik-heidelberg.de.
authors.forename: F J F
authors.initials: FJ
authors.lastname: Herth
mesh_terms: D061765:Endoscopic Ultrasound-Guided Fine Needle Aspiration; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D008482:Mediastinum / Q000473:pathology*; D009367:Neoplasm Staging / Q000379:methods