共 9 条
[8]
Early enteral feeding versus "nil by mouth" after gastrointestinal surgery: systematic review and meta-analysis of controlled trials
[J].
BRITISH MEDICAL JOURNAL,
2001, 323 (7316)
:773-776
[9]
Reduction of postoperative mortality and morbidity with epidural or spinal anaesthesia: results from overview of randomised trials
[J].
BMJ-BRITISH MEDICAL JOURNAL,
2000, 321 (7275)
:1493-1497