3Wils J. The establishment of a large collaborative trial programme in the adjuvant treatment of colon cancer[J]. Br J Cancer, 1998,77 (Sup 2) ,23-28.
4Erlichman C, Fine S, Wong A, et al. A randomized trial of fluorouracil and folinic acid in patients with metastatic colorectal cacinoma[J]. J Clin Oncol, 1988,6(3) :469-475.
5OConnell MJ, Klaassen DJ, Everson LK, et al. Clinical studies of biochemical modulation of 5-fluorouracil by leucovorin in patients with advanced colorectal cancer by the North Central Treatment Group and Mayo Clinic[J]. NCI Monogr, 1987,1(5) :185-188.
6OConnell MJ. A phase III trial of 5Fu and leucovorin in the treatment of advanced colorectal cancer[J]. Cancer, 1989,63(Sup 6):1 026-1 030.
7Miller AB, Hoogstraten B, Staquet M, et al. Reporting results of cancer treatment[J]. Cancer, 1981,47(1) :207.