Retinol binding protein/Creatinine:MRto:24H:Urine:Qn
retinol binding protein/creatinine:mrto:24h:urine:qn
Retinol binding protein/Creatinine:Mass Ratio:24 hours:Urine:Quantitative
retinol binding protein/creatinine:mass ratio:24 hours:urine:quantitative