title: Assessment of the Reference Method for determination of total calcium in serum.
mesh_terms: D002118:Calcium / Q000097:blood* / Q000592:standards; D005069:Evaluation Studies as Topic; D006801:Humans; D013058:Mass Spectrometry; D008722:Methods; D011786:Quality Control; D011865:Radioisotope Dilution Technique; D013054:Spectrophotometry, Atomic
chemical_list: D002118:Calcium