Hsia, David, Aslam Khan, and Ali I. Musani. “MINIMALLY INVASIVE DIAGNOSIS AND MEDIASTINAL STAGING OF LUNG CANCER: ENDOBRONCHIAL ULTRASOUND GUIDED TRANSBRONCHIAL NEEDLE ASPIRATION”. Pakistan Journal of Chest Medicine 18, no. 1 (May 27, 2015). Accessed January 31, 2026. http://www.pjcm.net/index.php/pjcm/article/view/80.