title: ANIMAL WELFARE. New rules may end U.S. chimpanzee research.
authors: David
authors: D
authors: Grimm
mesh_terms: D032761:Animal Experimentation / Q000331:legislation & jurisprudence*; D000827:Animal Welfare / Q000331:legislation & jurisprudence*; D000818:Animals; D056727:Endangered Species / Q000331:legislation & jurisprudence*; D002679:Pan troglodytes; D014481:United States