title: Improved materials for long-term quality-control assessment of erythrocyte folate analysis.
authors: Div. of Environmental Health Lab. Sci., Centers for Disease Control, Atlanta, GA 30333.
authors: E W
authors: EW
authors: Gunter
authors: D B
authors: DB
authors: Twite
mesh_terms: D004912:Erythrocytes / Q000737:chemistry*; D005492:Folic Acid / Q000097:blood*; D006801:Humans; D011786:Quality Control; D011863:Radioimmunoassay
chemical_list: D005492:Folic Acid