Beta cortolone/Cortisol:MRto:Pt:Urine:Qn
beta cortolone/cortisol:mrto:pt:urine:qn
Beta cortolone/Cortisol:Mass Ratio:To identify measures at a point in time:Urine:Quantitative
beta cortolone/cortisol:mass ratio:to identify measures at a point in time:urine:quantitative