Total thyroxine binding capacity:RelRto:Pt:Ser/Plas:Qn
total thyroxine binding capacity:relrto:pt:ser/plas:qn
Total thyroxine binding capacity:Relative Ratio:To identify measures at a point in time:Serum/Plasma:Quantitative
total thyroxine binding capacity:relative ratio:to identify measures at a point in time:serum/plasma:quantitative