Gül, Şule, et al. “The Effectiveness of Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration in Patients With Undiagnosed Lung Cancer”. Acta Medica, vol. 52, no. 3, Aug. 2021, pp. 180-8, https://doi.org/10.32552/2021.ActaMedica.557.