Urine nitrogen as an independent validatory measure of dietary intake: potential errors due to variation in magnitude and type of protein intake.
Millward
D J
DJ
Centre for Nutrition and Food Safety, School of Biological Sciences, University of Surrey, Guildford.
D004044:Dietary Proteins / Q000008:administration & dosage*; D004063:Digestion / Q000502:physiology; D004435:Eating; D005243:Feces / Q000737:chemistry; D006801:Humans; D009584:Nitrogen / Q000032:analysis / Q000652:urine*
D004044:Dietary Proteins; D009584:Nitrogen