Microbological assay of serum and whole-blood folic acid activity.
D001681:Biological Assay; D005492:Folic Acid / Q000097:blood* / Q000378:metabolism; D006801:Humans; D007778:Lactobacillus / Q000378:metabolism*; D008722:Methods; D008832:Microchemistry
D005492:Folic Acid