共 49 条
[1]
Acalovschi MV, 1997, AM J GASTROENTEROL, V92, P127
[4]
ANGELICO M, 1988, HEPATOLOGY, V8, P907
[5]
[Anonymous], 1980, ANAL CASE CONTROL ST
[9]
Carey VJ, 1997, AM J EPIDEMIOL, V145, P614, DOI 10.1093/oxfordjournals.aje.a009158