title: In vivo and in vitro studies on ionized versus total serum calcium in hyperparathyroidism.
mesh_terms: D001798:Blood Proteins / Q000032:analysis; D002118:Calcium / Q000097:blood*; D002413:Cations, Divalent; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006961:Hyperparathyroidism / Q000097:blood*; D010280:Parathyroid Glands / Q000502:physiology; D010783:Photometry; D011199:Potentiometry; D011485:Protein Binding; D012709:Serum Albumin / Q000032:analysis; D013054:Spectrophotometry, Atomic
chemical_list: D001798:Blood Proteins; D002413:Cations, Divalent; D012709:Serum Albumin; D002118:Calcium