title: Serum ionized calcium in a normal population studied with a calcium ion-sensitive electrode.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000605:Amino Alcohols; D002118:Calcium / Q000097:blood*; D004566:Electrodes / Q000295:instrumentation; D004864:Equipment and Supplies; D005260:Female; D006801:Humans; D007474:Ion Exchange; D008297:Male; D008875:Middle Aged; D009994:Osmolar Concentration; D012737:Sex Factors; D014357:Trypsin
chemical_list: D000605:Amino Alcohols; D014357:Trypsin; D002118:Calcium