title: Government evaluates distress of laboratory animals.
mesh_terms: D000827:Animal Welfare / Q000331:legislation & jurisprudence* / Q000592:standards; D000818:Animals; D000830:Animals, Laboratory / Q000502:physiology* / Q000523:psychology; D010146:Pain / Q000662:veterinary; D014481:United States; D016885:United States Department of Agriculture