2De Caluwe D,Reding R,de Vill de goyet J et al.Intraabdominal pyloromyotomy through the umbilical route[J].Pediatr Surg,1998,33(12):1806-1807.
3Pappalepore N,Tursini S,Marino N,et al.Transumbilical laparoscopic-assisted appendectomy (TULAA):a safe and useful alternative for uncomplicated appendicitis[J].Eur J Pediatr Surg,2002,12(6):383-386.
4Soutter AD,A skew AA.Transumbilical laparotomy in infants:a novel approach for a wide variety of surgical disease[J].J Pediatr Surg,2003,38(6):950-952.
5Scavarda D,Breaud J,Khalil M,et al.Transumbilical approach for shunt insertion in the pediatric population:an improvement in cosmetic results[J].Childs Nerv Syst,2005,21(1):39-43.
