Wang K P, Haponik E F, Gupta P K, Erozan Y S
Ann Otol Rhinol Laryngol. 1984 May-Jun;93(3 Pt 1):233-6. doi: 10.1177/000348948409300309.
Flexible transbronchial needle aspiration provides a bronchoscopic method for the diagnosis and staging of mediastinal neoplasms. Increasing experience has confirmed the usefulness of this procedure and has identified several technical factors that influence its yield and safety.