title: Nutrition classics. Science, Volume 104, April 16, 1948: Activity of Vitamin B12 for the growth of Lactobacillus lactis. By Mary S. Shorb.
mesh_terms: D001681:Biological Assay / Q000266:history; D049673:History, 20th Century; D007778:Lactobacillus / Q000254:growth & development; D008110:Liver Extracts / Q000032:analysis; D014805:Vitamin B 12 / Q000266:history*
chemical_list: D008110:Liver Extracts; D014805:Vitamin B 12