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  1. Metformin: Uses, Dosage, Side Effects, Warnings - Drugs.com

  2. Metformin Oral: Uses, Side Effects, Interactions, Pictures

  3. Metformin - Wikipedia

  4. Metformin: MedlinePlus Drug Information

  5. Metformin (Oral Route) Proper Use - Mayo Clinic

  6. Metformin: Side effects, dosage, uses, and more - Medical News …

  7. Metformin (Oral Route) Side Effects - Mayo Clinic

  8. Metformin - The Johns Hopkins Patient Guide to Diabetes

  9. Metformin Oral Tablet: Side Effects, Weight Loss, and More

  10. Metformin - StatPearls - NCBI Bookshelf