共 13 条
- [1] [Anonymous], 1972, N Engl J Med, V286, P505
- [2] BROWNLEE KA, 1960, STATISTICAL THEORY M
- [4] GART JJ, 1972, J ROY STAT SOC B, V34, P441
- [7] MANTEL N, 1959, J NATL CANCER I, V22, P719
- [9] CONFOUNDING AND EFFECT-MODIFICATION [J]. AMERICAN JOURNAL OF EPIDEMIOLOGY, 1974, 100 (05) : 350 - 353