title: Rifampicin and folate and vitamin B12 assays.
mesh_terms: D001681:Biological Assay; D005492:Folic Acid / Q000097:blood*; D006801:Humans; D007778:Lactobacillus / Q000187:drug effects; D011868:Radioisotopes; D012293:Rifampin / Q000494:pharmacology*; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D011868:Radioisotopes; D005492:Folic Acid; D014805:Vitamin B 12; D012293:Rifampin