1Skandalakis JE, Gray SW, Rowe JS. Complica- tions, of abdominal incisons [ M ]. Anatomical Complicationin Generel Surgery New yourk: Mcgraw Hill Book compang,1983:299.
2Rappaport WD, Hunter GC, Allen R, et al. Effect of electrocalltery on Wound healing in midline,laparotomy incisions [ J ]. Am J surg, 1990:160(6) :618.