共 92 条
[24]
GREENLAND S, 1982, AM J EPIDEMIOL, V116, P547, DOI 10.1093/oxfordjournals.aje.a113439
[26]
GREENLAND S, 1989, AM J EPIDEMIOL, V129, P1086
[27]
Greenland S, 1983, Stat Med, V2, P243, DOI 10.1002/sim.4780020219