Identifying patients with gastroesophageal reflux disease: Validation of a practical screening toolOFMAN, Joshua J; SHAW, Michael; SADIK, Kay et al.Digestive diseases and sciences. 2002, Vol 47, Num 8, pp 1863-1869, issn 0163-2116Article

Evidence- and consensus-based practice guidelines for the diagnosis of irritable bowel syndromeFASS, Ronnie; LONGSTRETH, George F; OFMAN, Joshua et al.Archives of internal medicine (1960). 2001, Vol 161, Num 17, pp 2081-2088, issn 0003-9926Article

Increased prevalence of irritable bowel syndrome in patients with gastroesophageal refluxPIMENTEL, Mark; ROSSI, Federico; CHOW, Evelyn J et al.Journal of clinical gastroenterology. 2001, Vol 34, Num 3, pp 221-224, issn 0192-0790Article