2003 Institutional heterogeneity of survival and morbidity in laparoscopic surgery for colorectal cancer: From the data of a randomized controlled trial comparing open and laparoscopic surgery (JCOG0404). (September 2015) - Katayama, H.; Mizusawa, J.; Nakamura, K.; Okajima, M.; Takemasa, I.; Kubo, Y.; Tanaka, J.I.; Hanai, T.; Okuda, J.; Yatsuoka, T.; Fukunaga, M.; Miyajima, N.; et al.