共 17 条
[4]
MACMAHON B, 1970, EPIDEMIOLOGY PRINCIP, P23
[8]
SAVITZ DA, 1994, EPIDEMIOLOGY, V5, P550
[9]
Savitz DA, 1997, EPIDEMIOLOGY, V8, P210
[10]
Shy CM, 1997, AM J EPIDEMIOL, V145, P479