Braga, Federica Trueness evaluation and verification of inter-assay agreement of serum folate measuring systems. [electronic resource] - Clinical chemistry and laboratory medicine 09 2020 - 1697-1705 p. digital Publication Type: Journal Article ISSN: 1437-4331 Standard No.: 10.1515/cclm-2019-0928 doi Subjects--Topical Terms: Diagnostic Tests, Routine--methodsFolic Acid--bloodHumansReference ValuesReproducibility of Results