共 8 条
[1]
CURTIS CR, 1988, 5TH P INT S VET EP E, P166
[3]
Kleinbaum DG, 1982, EPIDEMIOLOGIC RES PR, P377
[4]
MARTIN SW, 1987, VET EPIDEMIOLOGY P A, V1, P136
[5]
MIETTINEN OS, 1985, THEORETICAL EPIDEMIO, P82
[6]
ROTHMAN J, 1986, MODERN EPIDEMIOLOGY, P311
[7]
Schlesselman JJ, 1982, CASE CONTROL STUDIES, P17
[8]
VANDEGEER D, 1988, 6TH P INT C AN HYG, V1, P60