1. Hyams JS, Burke G, Davis PM, Rzepski B, Andrulonis PA. Abdominal pain and irritable bowel syndrome in adolescents: a community-based study. J Pediatr 1996;129:220-226.
2. Kohli R, Li BU. Differential diagnosis of recurrent abdominal pain: New considerations. Pediatr Ann 2004;33:113-122.
3. Boey CCM, Goh KL. Psychosocial factors and childhood recurrent abdominal pain. J Gastroenterol Hepatol 2002;17:1250-1253.
4. Apley J, Naish N. Recurrent abdominal pains: a field survey of 100 school children. Arch Dis Child 1958;50:429-436.
5. Di Lorenzo C, Colletti RB, Lehmann HP, Boyle JT, Gerson WT, Hyams JS, Squires RH Jr, Walker LS, Kanda PT. Chronic abdominal pain in children: a clinical report of the American Academy of Pediatrics and the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition. J Pediatr Gastroenterol Nutr 2005;40:245-248.
6. Kolts RL, Nelson RS, Park R, Heikenen J. Exploratory laparoscopy for recurrent right lower quadrant pain in a pediatric population. Pediatr Surg Int 2006;22:247-249.
7. Park MH, Choi WJ, Hwang JB. Topical tacrolimus resulting in a marked resolution of perianal Crohn's disease. Korean J Pediatr Gastroenterol Nutr 2005;8:70-75.
8. Zinkin NT, Peppercorn MA. Abdominal epilepsy. Best Pract Res Clin Gastroenterol 2005;19:263-274.
9. Song JY, Kim JS, Hwang JB. A case of abdomonal epilepsy presenting with recurrent abdominal pain. Korean J Pediatr Gastroenterol Nutr 2007;10:202-205.
10. Hong SP, Shin HJ, Kim YH, Choe BK, Choi WJ, Kim AS, Hwang JB. A case of PFAPA syndrome mimicking cyclic vomiting syndrome. Korean J Pediatr Gastroenterol Nutr 2006;9:85-91.
11. Yang HR. New approach to chronic recurrent abdominal pain in children. Korean J Pediatr 2006;49:129-135.
12. Raquin A, Di Lorenzo C, Forbes D, Guiraldes E, Hyams JS, Staiano A, Walker LS. Childhood functional gastrointestinal disorders: child/adlescent. Gastroenterology 2006;130:1527-1537.
13. Hwang JB, Oh HJ, Choi KH. Long term follow-up of cyclic vomiting syndrome. Korean J Pediatr Gastroenterol Nutr 2000;3:75-83.
14. Hwang JB, Choi WJ, Kim JS, Lee SY, Jung CH, Lee YH, Kam S. Clinical features of pathologic childhood aerophagia: early recognition and essential diagnostic criteria. J Pediatr Gastroenterol Nutr 2005;41:612-616.
15. von Baeyer CL. Understanding and managing children's recurrent pain in primary care: A biopsychosocial perspective. Paediatr Child Health 2007;12:121-125.
16. Raymer D, Weininger O, Hamilton JR. Psychological problems in children with abdominal pain. Lancet 1984;1:439-440.
17. Robinson JO, Alverez JH, Dodge JA. Life events and family history in children with recurrent abdominal pain. J Psychosom Res 1990;34:171-181.
18. Tarbell S, Li BU. Psychiatric symptoms in children and adolescents with cyclic vomiting syndrome and their parents. Headache 2008;48:259-266.
19. Alfven G. One hundred cases of recurrent abdominal pain in children: diagnostic procedures and criteria for a psychosomatic diagnosis. Acta Paediatr 2003;92:43-49.