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urea nitrogen in urine
see 24 hour urine urea nitrogen
Related
urea (carbamide)
Specific
urea nitrogen in timed urine
General
urea nitrogen in body fluid
urine chemistry test
References
Loinc
Component-of
isovalerylglycine/urea in urine
methylmalonate/urea in urine
urea nitrogen/creatinine in urine