Protein.plr fld/Protein.serum:RelRto:Pt:Ser/Plas+Plr fld:Qn
protein.plr fld/protein.serum:relrto:pt:ser/plas+plr fld:qn
Protein.plr fld/Protein.serum:Relative Ratio:To identify measures at a point in time:Serum/Plasma+Pleural fluid (thoracentesis fld):Quantitative
protein.plr fld/protein.serum:relative ratio:to identify measures at a point in time:serum/plasma+pleural fluid (thoracentesis fld):quantitative