Observation:EntMeanVol:Pt:RBC^BldCo:Qn
observation:entmeanvol:pt:rbc^bldco:qn
Observation:EntMeanVol:To identify measures at a point in time:Erythrocytes^BldCo:Quantitative
observation:entmeanvol:to identify measures at a point in time:erythrocytes^bldco:quantitative