RT Journal Article SR Electronic T1 Combined use of transoesophageal and transbronchial ultrasonography may lead to fewer unnecessary thoracotomies while staging NSCLC JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 796 OP 796 DO 10.1136/thoraxjnl-2011-200111 VO 66 IS 9 A1 Samrat Bose YR 2011 UL http://thorax.bmj.com/content/66/9/796.abstract AB