共 10 条
[1]
BURKE EC, 1991, ARCH SURG-CHICAGO, V126, P1267
[3]
[Anonymous], 1992, MMWR Recomm Rep, V41, P1
[4]
DENIS BJ, 1992, GASTROEN CLIN BIOL, V16, P148
[5]
GOTTESMAN L, 1995, SURG COLON RECTUM AN
[7]
*PROGR NAC DOENC S, 1996, B EP