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Irritable Bowel Syndrome
Colonic Diseases, Functional
Constipation
Gastrointestinal Diseases
Gastroesophageal Reflux
Obesity
Gastroparesis
Diarrhea
Questionnaires
Gastrointestinal Motility
Defecation
Rectum
Colon
Manometry
Colonoscopy
Quality of Life
Stress, Psychological
Severity of Illness Index
Retrospective Studies
Treatment Outcome
Co-Publications
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