title: Estimation of serum folate by a radioassay and a continuous-flow method, compared with an established microbiological tume assay.
mesh_terms: D001322:Autoanalysis; D001681:Biological Assay / Q000379:methods; D003365:Costs and Cost Analysis; D005492:Folic Acid / Q000097:blood*; D011868:Radioisotopes; D012643:Selenium
chemical_list: D011868:Radioisotopes; D005492:Folic Acid; D012643:Selenium