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  1. Gastrointestinal bleeding - Symptoms and causes - Mayo Clinic

  2. When to worry about blood in your stool (rectal bleeding)

  3. Bile Acid Malabsorption: Symptoms, Causes & Treatment - Cleveland Clinic

  4. Excess Bile in Stool: Causes and Symptoms. - Oh My Gut

  5. Rectal Bleeding (Blood in Stool): Causes, Colors & Treatments

  6. What causes gastrointestinal bleeding and how serious is it really?

  7. Identifying diarrhea caused by bile acid malabsorption

  8. Blood in Stool (Hematochezia): Causes, Diagnosis, Treatment - WebMD

  9. Gastrointestinal Bleeding or Blood in the Stool

  10. Gastrointestinal Bleeding (Bleeding in the Digestive Tract) - WebMD