共 40 条
[2]
ALLISON P, 1995, SUVIVAL ANAL USIGN S
[3]
*AM HEART ASS, 1994, HEART STROK FACTS 19
[6]
Betriu A, 1997, NEW ENGL J MED, V336, P1621
[7]
CAPPELL MS, 1993, AM J GASTROENTEROL, V88, P344
[9]
Gastrointestinal endoscopy in high-risk patients
[J].
DIGESTIVE DISEASES,
1996, 14 (04)
:228-244