Author(s)
Akagi T, Suzuki K, Kono Y, Ninomiya S, Shibata T, Ueda Y, Shiroshita H, Etoh T, Shiomi A, Ito M, Watanabe J, Murata K, Hirano Y, Shimomura M, Tsukamoto S, Kanemitsu Y, Inomata M; Colorectal Cancer Study Group of Japan Clinical Oncology Group.