title: Lactic acid racemization in Cl. butylicum: 18O exchange studies.
mesh_terms: D003013:Clostridium / Q000378:metabolism*; D066298:In Vitro Techniques; D007773:Lactates / Q000378:metabolism*; D009243:NAD; D010103:Oxygen Isotopes / Q000378:metabolism*; D013053:Spectrophotometry
chemical_list: D007773:Lactates; D010103:Oxygen Isotopes; D009243:NAD