Bacteria as specific binding agents for an isotopic assay of serum folate.
D001681:Biological Assay; D005492:Folic Acid / Q000097:blood*; D006801:Humans; D007778:Lactobacillus / Q000378:metabolism*; D008722:Methods; D014316:Tritium
D014316:Tritium; D005492:Folic Acid