Protoporphyrin.zinc:SRto:Pt:RBC:Qn
protoporphyrin.zinc:srto:pt:rbc:qn
Protoporphyrin.zinc:Substance Ratio:To identify measures at a point in time:Erythrocytes:Quantitative
protoporphyrin.zinc:substance ratio:to identify measures at a point in time:erythrocytes:quantitative