References
2. Longstreth GF, Thompson WG, Chey WD, Houghton LA, Mearin F, Spiller RC. Functional bowel disorders. Gastroenterology. 2006; 130:1480–1491.
3. Alvarez WC. Hysterical type of nongaseous abdominal bloating. Arch Intern Med (Chic). 1949; 84:217–245.
5. Sandler RS, Stewart WF, Liberman JN, Ricci JA, Zorich NL. Abdominal pain, bloating, and diarrhea in the United States: prevalence and impact. Dig Dis Sci. 2000; 45:1166–1171.
6. Kassinen A, Krogius-Kurikka L, Mäkivuokko H, et al. The fecal microbiota of irritable bowel syndrome patients differs significantly from that of healthy subjects. Gastroenterology. 2007; 133:24–33.
7. Chami TN, Schuster MM, Bohlman ME, Pulliam TJ, Kamal N, Whitehead WE. A simple radiologic method to estimate the quantity of bowel gas. Am J Gastroenterol. 1991; 86:599–602.
8. Koide A, Yamaguchi T, Odaka T, et al. Quantitative analysis of bowel gas using plain abdominal radiograph in patients with irritable bowel syndrome. Am J Gastroenterol. 2000; 95:1735–1741.
9. Sullivan SN. A prospective study of unexplained visible abdominal bloating. N Z Med J. 1994; 107:428–430.