1. Cat terrified by a dog Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009 Subject(s): CatsAggression -- physiologyEmotions -- physiologyFacial Expression
2. Head of a snarling dog Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009 Subject(s): DogsAggression -- physiologyEmotions -- physiologyFacial Expression
