Difference in the impairment of vital capacity and 6-minute walking after a lobectomy performed by thoracoscopic surgery, an anterior limited thoracotomy, an anteroaxillary thoracotomy, and a posterolateral thoracotomy - Nomori, H; Ohtsuka, T; Horio, H; Naruke, T; Suemasu, K (Surg Today, 2003)