title: Use of either serum or plasma for folate and vitamin B12 determinations.
mesh_terms: D000328:Adult; D000925:Anticoagulants; D001800:Blood Specimen Collection; D002951:Citrates; D004492:Edetic Acid; D005492:Folic Acid / Q000097:blood*; D006493:Heparin; D006801:Humans; D010070:Oxalates; D010949:Plasma / Q000032:analysis; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D000925:Anticoagulants; D002951:Citrates; D010070:Oxalates; D006493:Heparin; D005492:Folic Acid; D004492:Edetic Acid; D014805:Vitamin B 12