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Urea - Wikipedia
Urea | Definition, Formula, Production, Uses, & Facts
Urea Meaning: Definition, Production, and More - Verywell Health
Blood urea nitrogen (BUN) test - Mayo Clinic
Urea - American Chemical Society
Urea Test: High & Low Levels + Normal Range - SelfHacked
Urea | NH2CONH2 | CID 1176 - PubChem
Uremia: Causes, Symptoms, Diagnosis & Treatment - Cleveland Clinic
Urea vs Uric Acid – Clearing Up The Confusion
Urea - Encyclopedia.com