Purine/pyrimidine:Ratio:Pt:RBC:Qn:Spectrophotometry
purine/pyrimidine:ratio:pt:rbc:qn:spectrophotometry
Purine/pyrimidine:Ratio:To identify measures at a point in time:Erythrocytes:Quantitative:Spectrophotometry
purine/pyrimidine:ratio:to identify measures at a point in time:erythrocytes:quantitative:spectrophotometry