Douglas A. Drossman, MD
The functional bowel disorders are a heterogeneous collection of clinical syndromes (for example, the irritable bowel syndrome, non-ulcer dyspepsia, "irritable" esophagus, chronic abdominal pain) associated with the gastrointestinal tract that have "no known structural (e. g., pathologic or radiologic) abnormalities, or infectious or metabolic causes" (1). As a group these disorders are extremely common and constitute a large health-care burden. In a survey by the National Center for Health Statistics (1979 to 1981), functional gastrointestinal symptoms were reported by almost 3 908 000 persons, two thirds of whom had seen physicians (2). In 1984, patients with these symptoms accounted for
Drossman DA. A Questionnaire for Functional Bowel Disorders. Ann Intern Med. ;111:627–629. doi: 10.7326/0003-4819-111-8-627
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Published: Ann Intern Med. 1989;111(8):627-629.
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