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Simplified assessment of segmental gastrointestinal transit time with orally small amount of barium - ScienceDirect
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Figure 1 from Measurement of Colonic Transit Time Based on Radio Opaque Markers in Patients with Chronic Idiopathic Constipation; A Cross-Sectional Study | Semantic Scholar
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Constipation " ( X-ray abdomen of old man : a lot of feces in large bowel and calcified at rib Stock Photo - Alamy
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A randomized double-blind placebo-controlled trial showing rifaximin to improve constipation by reducing methane production and accelerating colon transit: A pilot study | SpringerLink
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