Association between blood–urea–nitrogen-to-albumin ratio and in-hospital mortality in patients diagnosed with coronavirus ...

Blood urea nitrogen (BUN) is a less specific indicator of kidney function and is a reflection of ingested protein and muscle catabolism. Elevated BUN can be precipitated by protein intake ...

Testing for nitrogen in your local watershed can help identify potential “œhot spots” in your community that may be contributing to nutrient loading downstream. With a simple, inexpensive field test ...

At Frontiers, we bring some of the world’s best research to a global audience. But with tens of thousands of articles published each year, it’s impossible to cover all of them. With Valentine’s Day ...