Formulas developed based on the ratio of urea nitrogen to creatinine concentrations obtained from multiple spot urine samples are acceptable to predict protein intake at group level but not at individual level

Autor: Yuan, Xiaoyi, Murakami, Kentaro, Asakura, Keiko, Uechi, Ken, Masayasu, Shizuko, Sasaki, Satoshi
Zdroj: In Nutrition Research June 2020 78:50-59
Databáze: ScienceDirect