[Activity of serum ionic calcium--determination by the liquid-liquid membrane electrode].
D001798:Blood Proteins; D002118:Calcium / Q000097:blood*; D004566:Electrodes; D006863:Hydrogen-Ion Concentration; D008670:Metals; D008722:Methods; D013053:Spectrophotometry
D001798:Blood Proteins; D008670:Metals; D002118:Calcium