title: Letter: Radioassay for serum folate.
mesh_terms: D001665:Binding Sites; D005492:Folic Acid / Q000097:blood*; D005494:Folic Acid Deficiency / Q000378:metabolism; D007782:Lactoglobulins; D008722:Methods; D011869:Radioligand Assay; D014316:Tritium
chemical_list: D007782:Lactoglobulins; D014316:Tritium; D005492:Folic Acid