Urine nitrogen as an independent validatory measure of protein intake.
Bingham
S A
SA
MRC Dunn Clinical Nutrition Centre, Cambridge.
D004044:Dietary Proteins / Q000008:administration & dosage*; D004435:Eating; D005243:Feces / Q000737:chemistry; D006801:Humans; D009584:Nitrogen / Q000032:analysis / Q000652:urine*
D004044:Dietary Proteins; D009584:Nitrogen