共 16 条
- [2] ARMITAGE P, 1983, STATISTICAL METHODS
- [3] HEALD RJ, 1986, LANCET, V1, P1479
- [4] HILL AB, 1984, PRINCIPLES MED STATI
- [5] PROGNOSIS OF COLORECTAL-CANCER IN THE ELDERLY [J]. BRITISH JOURNAL OF SURGERY, 1988, 75 (05) : 419 - 421
- [7] MATTHEWS H, 1987, CANCER OESOPHAGUS