title: The impact of the QAP survey on the performance of red cell folate assays.
authors.forename: R D
authors.initials: RD
authors.lastname: Brown
authors.forename: E
authors.initials: E
authors.lastname: Uhr
authors.forename: R
authors.initials: R
authors.lastname: Watman
authors.forename: W
authors.initials: W
authors.lastname: Hughes
authors.forename: B
authors.initials: B
authors.lastname: Arnold
mesh_terms: D004912:Erythrocytes / Q000737:chemistry*; D005492:Folic Acid / Q000032:analysis / Q000097:blood*; D006801:Humans; D008722:Methods; D011785:Quality Assurance, Health Care; D015203:Reproducibility of Results
chemical_list: D005492:Folic Acid