Carbon dioxide^post dose urea:ACnc:Pt:Exhl gas:Qn
carbon dioxide^post dose urea:acnc:pt:exhl gas:qn
Carbon dioxide^post dose urea:Arbitrary concentration:To identify measures at a point in time:Exhaled gas (breath):Quantitative
carbon dioxide^post dose urea:arbitrary concentration:to identify measures at a point in time:exhaled gas (breath):quantitative