Is excessive burping a sign of cancer?

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Tags

  1. #important
  2. #cancerous
  3. #chronic
  4. #belching
  5. #could
  6. #stomach
  7. #ulcers
  8. #burping
  9. #excessive
  10. #frequent
  11. #esophagus
  12. #because
  13. #changes
  14. #exposure
  15. #reflux
  16. #cause