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  1. Types of Ulcers in Stomach: Gastric and Duodenal - Healthline

  2. Types of Ulcers: Symptoms and Treatment - Healthline

  3. Types of Ulcers: Signs, Symptoms, and Treatment - Verywell Health

  4. Peptic ulcer - Symptoms and causes - Mayo Clinic

  5. Stomach Ulcer: Signs, Symptoms, Causes & Treatment

  6. Types of Ulcers: Causes, Symptoms, and Treatments

  7. Types of Ulcers: Symptoms and Treatment - Health

  8. Ulcers Facts: Causes, Symptoms, Risk Factors - WebMD

  9. Ulcers Symptoms: Bloating, Heartburn, Nausea, Pain, & More

  10. What Is an Ulcer: Types, Symptoms, Effects - Health