title: [Microbiological analysis of vitamin B12 in the blood serum].
mesh_terms: D001681:Biological Assay; D006801:Humans; D066298:In Vitro Techniques; D007778:Lactobacillus; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*
chemical_list: D014805:Vitamin B 12
vernacular_title: Le dosage microbiologique de la vitamine B12 dans le sérum sanguin.