Age-specific Determinants of the Safety of Laparoscopic Colectomy in Elderly Patients with Colorectal Cancer. Issue 4 (April 2014) - Ikoma, Naruhiko; Itano, Osamu; Oshima, Go; Chiba, Naokazu; Maeda, Shingo; Koyama, Yasumasa; Aiko, Satoshi; Kitagawa, Yuko