Ionic calcium.
D001769:Blood; D001798:Blood Proteins / Q000378:metabolism; D001812:Blood-Brain Barrier; D002118:Calcium / Q000097:blood* / Q000378:metabolism; D004492:Edetic Acid; D004566:Electrodes; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006961:Hyperparathyroidism / Q000097:blood; D007474:Ion Exchange; D008103:Liver Cirrhosis / Q000097:blood; D009369:Neoplasms / Q000097:blood; D011485:Protein Binding; D014462:Ultrafiltration / Q000295:instrumentation
D001798:Blood Proteins; D004492:Edetic Acid; D002118:Calcium