Variance analysis of a clinical pathway of video-assisted single lobectomy for lung cancer - Atsushi, Okita; Motohiro, Yamashita; Keiko, Abe; Chizuru, Nagai; Akiko, Matsumoto; Mika, Akehi; Ryoko, Yamashita; Naomi, Ishida; Mikiko, Seike; Shigeko, Yokota (Surgery Today, 2009)