3Winslow ER, Brunt LM. Perioperative outcomes of laparoscopic versus open splenectomy: a meta-analysis with an emphasis on complications[J]. Surgery, 2003, 134(4) :647-653.
4Abraham NS, Young JM, Solomon MJ. Meta-analysis of short -term outcomes after laparoscopic resection for colorectal cancer [ J ]. Br J Surg, 2004, 91(9) :1111-1124.
5Chung RS,Rowland DY,Li P,et al. A meta-analysis of randomized controlled trials of laparoscopic versus conventional appendectomy [J]. Am J Surg, 1999, 177(3):250-256.
