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  1. Urea - Wikipedia

  2. What is Carbamide? (with pictures) - AllTheScience

  3. Carbamide Peroxide vs Hydrogen Peroxide: Which is Best? - Dentaly

  4. Urea | Definition, Formula, Production, Uses, & Facts | Britannica

  5. Carbamide - Side Effects, Uses, Dosage, Overdose, Pregnancy

  6. Carbamide Definition & Meaning - Merriam-Webster

  7. Urea - American Chemical Society

  8. Urea - NIST Chemistry WebBook

  9. Urea | NH2CONH2 | CID 1176 - PubChem

  10. Carbamide Forte