共 7 条
[1]
COHEN M, 1978, LANCET, V2, P814
[2]
DEMERS PA, 1990, AM J EPIDEMIOL, V132, P775
[3]
HILL SM, 1988, CANCER RES, V48, P6121
[4]
MATANOSKI GM, 1989, NOV CONTR REV M PORT