2Constipation Guideline Committee of the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition. Evaluation and treatment of constipation in infants and children: Recommendations of the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition[ J]. J Pediatr Gastroertterol Nutr,2006,43(3) :e1-e13.
3Morais MB , Sdepanian VL,Tahan S , et al. Effectiveness of anorectal manometry using the balloon method to identify the inhibitory recto - anal reflex for diagnosis of Hirschsprung's disease[ J]. Rev Assoc Med Bras, 2005,51 (6) :313 - 317.
5Bijos'A, Czerwionka - Szaflarska M, Mazur A, et al. The usefulness of ultrasound examination of the bowel as a method of assessment of functional chronic constipation in children [ J]. Pediatr Radiol,2007,37 ( 12 ) : 1247 - 1252.
7Rasquin A, Di Lorenzo C, Forbes D,et al. Childhood functional gastroin - testinal disorders: Child/adolescent [ J ]. Gastroenterology, 2006, 130 (5) :1526 - 1537.
8Tobias N, Mason D, Lutkenhoff M, et al. Management principles of organic causes of childhood constipation [ J ]. J Pediatr Health Care,2008, 22(1) :12 -23.
6Rajindrajith S, Devanarayana NM. Constipation in children : novel insight into epidemiology,pathophysiology and management[J].J Neurogastroen- terol Motil, 2011,17(1) : 35-47.
7Rajindrajith S,Devanarayana NM, Constipation in children:novel insight into epidemiology,pathophysiology and management[J].J Neurogastroen- terol Motil,2011,1:35-47.
8Mugie SM, Di Lorenzo C, Benninga MA. Constipation in childhood[J].J Net Rev Gastroenterol, 2011,8 (9) : 502-511.
9Mugie SM,Benninga MA,Di Lorenzo C. Epidemiology of constipation in children and aduhs:a systematic review[J].BestPract Res Clin Gastroen- terol,2011,25(1) :3-18.
10HERVES, LEROIAM,MATHIERFORTUET H,etal.Effeets of polyethylene gly cd 4000 on 24h manonmetric recordings of left colonic motor activity [J].Eur J Gastrocmterd Hepatol,2001,13(3):647-654.