title: Choice of materials for long-term quality control of blood folate assays.
authors.forename: B
authors.initials: B
authors.lastname: Kelleher
authors.forename: S
authors.initials: S
authors.lastname: O'Broin
mesh_terms: D005492:Folic Acid / Q000097:blood*; D006801:Humans; D011786:Quality Control; D015203:Reproducibility of Results
chemical_list: D005492:Folic Acid