title: Changes in ionized and total calcium concentrations in serum and urine during open heart surgery.
mesh_terms: D001769:Blood; D001798:Blood Proteins / Q000378:metabolism; D002118:Calcium / Q000097:blood / Q000378:metabolism* / Q000652:urine; D006348:Cardiac Surgical Procedures; D004566:Electrodes; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D010710:Phosphates / Q000097:blood
chemical_list: D001798:Blood Proteins; D010710:Phosphates; D002118:Calcium