title: Standardization of nitrogen-balance experiments with rats. I. Metabolism unit for evaluation of nutrients in rat experiments.
mesh_terms: D000818:Animals; D000830:Animals, Laboratory / Q000378:metabolism*; D004864:Equipment and Supplies; D005243:Feces / Q000032:analysis; D009584:Nitrogen / Q000378:metabolism*; D010808:Physical Examination; D051381:Rats; D013048:Specimen Handling; D014556:Urine
chemical_list: D009584:Nitrogen