Cao, Christopher A meta-analysis of unmatched and matched patients comparing video-assisted thoracoscopic lobectomy and conventional open lobectomy. [electronic resource] - Annals of cardiothoracic surgery May 2012 - 16-23 p. digital Publication Type: Journal Article ISSN: 2225-319X Standard No.: 10.3978/j.issn.2225-319X.2012.04.18 doi