title: Endoscopic ultrasound: a useful tool to assess the mediastinum in patients with lung cancer?
authors.forename: I
authors.initials: I
authors.lastname: Penman
authors.forename: R J
authors.initials: RJ
authors.lastname: Fergusson
mesh_terms: D001707:Biopsy, Needle / Q000379:methods; D019160:Endosonography / Q000379:methods*; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging*; D008479:Mediastinal Neoplasms / Q000000981:diagnostic imaging*; D018084:Ultrasonography, Interventional / Q000379:methods