title: BCR information. Report on the inter-laboratory trial of the reference method for the determination of total calcium in serum.
mesh_terms: D002118:Calcium / Q000097:blood*; D002986:Clinical Trials as Topic; D006801:Humans; D007391:International Cooperation; D008433:Mathematics; D008722:Methods; D012015:Reference Standards; D012016:Reference Values
chemical_list: D002118:Calcium