Glucose.serum-glucose.plr fld:SCncDiff:Pt:Ser/Plas+Plr fld:Qn
glucose.serum-glucose.plr fld:scncdiff:pt:ser/plas+plr fld:qn
Glucose in serum - glucose in pleural fluid [Molar concentration difference]
glucose in serum - glucose in pleural fluid [molar concentration difference]