共 27 条
[2]
Checkoway H., 1989, RES METHODS OCCUPATI
[3]
CORNFIELD J, 1959, J NATL CANCER I, V22, P173
[6]
Greenland S, 1983, Stat Med, V2, P243, DOI 10.1002/sim.4780020219
[9]
KLEINBAUM DG, 1982, EPIDEMIOLOGIC RES