title: Hilar masses: evaluation with CT-guided biopsy after negative bronchoscopic examination.
authors.forename: R H
authors.initials: RH
authors.lastname: Posteraro
authors.forename: C
authors.initials: C
authors.lastname: Bergin
authors.forename: H D
authors.initials: HD
authors.lastname: Sostman
mesh_terms: D001707:Biopsy, Needle / Q000379:methods*; D001999:Bronchoscopy; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000473:pathology