2TAYLOR E W, BYME D J , LEAPER D J , el el. Antibiotic prophylaxis and open groin hernia repair [J]. World Surg ,1997 ,21 (8) : 811 - 814.
3ILL IG K A , SCHMIDT E , GAVANAUGH J , et al. Are prophylactic antibiotics required for elective laparoscopic cholecystectomy[J]. Am Con Surg , 1997 ,184 (4) :353- 356.