Phosphoethanolamine/Creatinine:SRto:24H:Urine:Qn
phosphoethanolamine/creatinine:srto:24h:urine:qn
Phosphoethanolamine/Creatinine [Molar ratio] in 24 hour Urine
phosphoethanolamine/creatinine [molar ratio] in 24 hour urine