3Engstrom L,Fenyo G. Appendieeetomy:assessment of stamp invagination versus simple ligation:a prospective,randomized trial [J].Br J Surg, 1985,72(12):971-2.
4Higgins JPT,Green S,editors. Formulating the problem. Cochrane Handbook for Systematic Reviews of Interventions 4.2.6 [updated September 2006 ] ; Section 4.
5Higgins JPT,Green S (editors). Cochrane Handbook for Systematic Reviews of Interventions Version 5.0.0 [updated February 2008]. The Cochrane Collaboration, 2008. Available from w'mv.cochranehandbook.org.
6Watters DA,Walker MA,Abernethy BC. The appendix stump: should it be invaginated [J].Ann R Coil Surg Engl, 1984,66(2): 92-3.
7Dass HP, Wilson SJ,Khan S,et al. Appendicectomy stumps:'to bury or not to bury'[J].Trop Doet, 1989,19(3):108-9.
8Jacobs PP,Koeyers GF, Bruyninckx CM.Simple ligation superior to inversion of the appendiceal stumo:a prospective randomized study [J].Ned Tijdschr Geneeskd,1992,136(21 ):1020-3.
9Lavonius MI,Liesjarvi S,Niskanen RO,et al. Simple ligation vs stump inversion in appendieeetomy [J].Ann Chir Gynaecol, 1996,85 ( 3 ):222-4.