[1]
N. SONGÜR, Y. SONGÜR, L. ERKAN, Çiğdem BİBER, Y. ERDOĞAN, and B. ŞAHİN, “The role of endoscopic ultrasonography in the evaluation mediastinal lymph node metastasis in lung cancer patients”, Turkish Journal of Gastroenterology, vol. 10, no. 3, pp. 261–267, Jan. 1999.