1900 1717 
Urea nitrogen is the chief nitrogenous end product of the metabolic breakdown of proteins in your body. It is a waste product that your kidneys remove from your blood. A higher urea level than normal may indicate a kidney problem
22,000 đ
Uric acid is a chemical created when the body breaks down substances called purines. Purines are a product of protein transformation in your body. Elevated uric acid levels in your blood may lead to gout.
28,000 đ
