Spectrum Analysis of Endobronchial Ultrasound Radiofrequency of Lymph Nodes in Patients With Lung Cancer. - Takahiro Nakajima; Masato Shingyoji; Takashi Anayama; Hideki Kimura; Kazuhiro Yasufuku; Ichiro Yoshino; Nakajima, Takahiro; Shingyoji, Masato; Anayama, Takashi; Kimura, Hideki; Yasufuku, Kazuhiro; Yoshino, Ichiro (CHEST, 2016)