RT Journal Article SR Electronic T1 The Functional Value of Leaving One Segment of the Upper Lobe Compared with that of a Lobectomy JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 1 OP 2 DO 10.1136/thx.14.1.1 VO 14 IS 1 A1 Björk, Viking Olov A1 Carlens, Eric YR 1959 UL http://thorax.bmj.com/content/14/1/1.abstract AB