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Characteristics of postinfection irritable bowel syndrome. (A) Distribution of IBS subtypes. (B) Distribution of scores on IBS symptom severity scale. IBS-C, constipation-predominant irritable bowel syndrome; IBS-D, diarrhea-predominant irritable bowel syndrome; IBS-M, mixed irritable bowel syndrome; IBS-U, unsubtyped irritable bowel syndrome.
