A Pilot Study of the Effectiveness of a Short Course of Rifaximin 2200 mg/day on Abdominal Symptoms and its Effects on Quality of Life in Patients with Moderate to Severe Diarrhea-Predominant Irritable Bowel Syndrome. - Mokhtare M; Fathi M; Sadeghian AM; Sotoudeheian MJ; Namazi A (Clinical drug investigation, 2024)