1. This is vivisection Publication: Washington, DC : People for the Ethical Treatment of Animals, [19--] Subject(s): Vivisection -- ethicsVivisection -- instrumentationHaplorhini
2. [Cynopithecus niger] Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009 Subject(s): HaplorhiniEmotions -- physiologyFacial Expression