title: Point: are >50 supervised procedures required to develop competency in performing endobronchial ultrasound-guided transbronchial needle aspiration for mediastinal staging? Yes.
authors.affiliation: Division of Thoracic Surgery and Interventional Pulmonology, Beth Israel Deaconess Medical Center, Harvard University, Boston, MA. Electronic address: efolch@bidmc.harvard.edu.
authors.forename: Erik
authors.initials: E
authors.lastname: Folch
authors.affiliation: Division of Thoracic Surgery and Interventional Pulmonology, Beth Israel Deaconess Medical Center, Harvard University, Boston, MA.
authors.forename: Adnan
authors.initials: A
authors.lastname: Majid
mesh_terms: D044963:Biopsy, Fine-Needle / Q000379:methods*; D001980:Bronchi / Q000000981:diagnostic imaging*; D002568:Certification / Q000592:standards; D019160:Endosonography / Q000379:methods*; D006297:Health Services Accessibility; D006801:Humans; D008479:Mediastinal Neoplasms / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000473:pathology*; D009367:Neoplasm Staging; D061214:Patient Safety; D011361:Professional Competence / Q000592:standards*; D013663:Teaching