1.      Applegate KE, Anderson JM, Klatte EC. Intestinal malrotation in children: a problem-solving approach. Radiographics. 2006;26:1485-1500.

2.      Applegate KE. Intussception in children: evidence-based diagnosis and treatment. Pediatr Radiol. 2009;39(suppl 2):S140-S143.

3.      Apt L, Downey WS. Melena neonatorum: the swallowed blood syndrome, a simple test for the differentiation of adult and fetal hemoglobin in the bloody stools. J Pediatr. 1955;47:6-12.

4.      Beggs AD, Latchford AR, Vasen HF, et al. Peutz-Jeghers syndrome: a systematic review and recommendations for management. Gut. 2010;59(7):975-986.

5.      Bell MJ, Ternberg JL, Feigin RD, et al. Neonatal necrotizing enterocolitis: therapeutic decisions based on staging criteria. Ann Surg. 1978;187:1-7.

6.      Buettcher M, Baer G, Bonhoeffer J, Schaad UB, Heininger U. Three-year surveillance of intussusception in children in Switzerland. Pediatrics. 2007;120(3):473-480.

7.      Cappell MS, Friedel D. Initial management of acute gastrointestinal bleeding: from initial evaluation to prevention of recurrence. Med Clin North Am. 2008;92:491-509.

8.      Dam H, Dyggue H, Larsen H, et al. The relation of vitamin K deficiency to hemorrhagic disease of the newborn. Adv Pediatr. 1987;62(5):436-437.

9.      Daneman A, Navarro O. Intussusception. Part 1: a review of diagnostic approaches. Pediatr Radiol. 2003;33(2):79-85.

10.  Giardiello FM, Trimbath JD. Peutz-Jeghers syndrome and management recommendations. Clin Gastroenterol Hepatol. 2006.

11.  Gosain A, Frykman PK, Cowles RA, et al; American Pediatric Surgical Association Hirschsprung Disease Interest Group. Guidelines for the diagnosis and management of Hirschsprung-associated enterocolitis. Pediatr Surg Int. 2017;33(5):517-521.

12.  Hyer W, Cohen S, Attard T, et al. Management of familial adenomatous polyposis in children and adolescents: position paper from the ESPGHAN Polyposis Working Group. J Pediatr Gastroenterol Nutr. 2019;68(3):428-441.

13.  Iyer CP, Mahour GH. Duplications of the alimentary tract in infants and children. J Pediatr Surg. 1995;30(9):1267-1270.

14.  Kay M, Eng K, Wyllie R. Colonic polyps and polyposis syndromes in pediatric patients. Curr Opin Pediatr. 2015;27(5):634-641.

15.  Lund JN, Scholefield JH. Aetiology and treatment of anal fissure. Br J Surg. 1996;83:1335-1344.

16.  Millar AJW, Rode H, Cywes S. Malrotation and volvulus in infancy and childhood. Semin Pediatr Surg. 2003;12:229-236.

17.  Nelson RL, Thomas K, Morgan J, et al. Non-surgical therapy for anal fissure. Cochrane Database Syst Rev. 2012;CD003431.

18.  Neu J, Walker WA. Necrotizing enterocolitis. N Engl J Med. 2011;364:255-264.

19.  Novak I, Bass LM. Gastrointestinal bleeding in children: current management, controversies, and advances. Gastrointest Endosc Clin N Am. 2023;33:401-421.

20.  Park JJ, Wolff BG, Tollefson MK, et al. Meckel diverticulum: Mayo Clinic experience. Ann Surg. 2005;241:529-533.

21.  Patkova B, Wester T. Anal fissure in children. Eur J Pediatr Surg. 2020;30(5):391-394.

22.  Piccirillo M, Pucinischi V, Mennini M, et al. Gastrointestinal bleeding in children: diagnostic approach. Ital J Pediatr. 2024;50:13.

23.  Poddar U, Thapa BR, Vaiphei K, et al. Colonic polyps: experience of 236 children. Am J Gastroenterol. 1998;93:619-622.

24.  Poddar U, Thapa BR, Vaiphei K, Singh K. Colonic polyps: experience of 236 Indian children. Am J Gastroenterol. 1998;93(4):619-622.

25.  Puligandla PS, Nguyen LT, St-Vil D, et al. Gastrointestinal duplications. J Pediatr Surg. 2003;38(5):740-744.

26.  Sahn B, Bitton S. Lower gastrointestinal bleeding in children. Gastrointest Endosc Clin N Am. 2016;26:75-98.

27.  Sfakianakis GN, Conway JJ. Detection of ectopic gastric mucosa in Meckel diverticulum by scintigraphy. J Nucl Med. 1981;22:732-738.

28.   Wagner A, Aretz S, Auranen A, et al. The management of Peutz-Jeghers syndrome: European Hereditary Tumour Group (EHTG) guideline. J Clin Med. 2021;10(3):473.