title: Inadequate sample-preparation technique as a source of error in determination of erythrocyte folate by competitive binding radioassay.
mesh_terms: D001205:Ascorbic Acid; D001800:Blood Specimen Collection; D004912:Erythrocytes / Q000032:analysis*; D005492:Folic Acid / Q000097:blood*; D005615:Freezing; D006461:Hemolysis; D006801:Humans; D008722:Methods; D011869:Radioligand Assay
chemical_list: D005492:Folic Acid; D001205:Ascorbic Acid