共 14 条
- [2] COLLINS J, 1980, LANCET, V2, P961
- [4] FLEISS JL, 1973, STATISTICAL METHODS
- [6] HULKA BS, 1980, JAMA-J AM MED ASSOC, V244, P2419
- [7] LAVECCHIA C, 1982, INT J EPIDEMIOL, V11, P120, DOI 10.1093/ije/11.2.120
- [9] MANTEL N, 1959, J NATL CANCER I, V22, P719