title: An artifact in measurement of ionized calcium concentration from a heparin preservative, benzyl alcohol.
mesh_terms: D001554:Benzene; D001593:Benzyl Compounds; D002118:Calcium / Q000097:blood*; D000431:Ethanol; D006493:Heparin; D000432:Methanol; D010592:Pharmaceutic Aids; D011199:Potentiometry
chemical_list: D001593:Benzyl Compounds; D010592:Pharmaceutic Aids; D000431:Ethanol; D006493:Heparin; D001554:Benzene; D002118:Calcium; D000432:Methanol