1. Species survival plan® (SSP) program handbook;Association of Zoos & Aquariums,2014
2. Chimpanzees in biomedical and behavioral research: assessing the necessity;Institute of Medicine, Committee on the Use of Chimpanzees in Biomedical and Behavioral Research,2011
3. The impact of atypical early histories on pet or performer chimpanzees;Freeman;PeerJ,2014
4. The changing role of hand rearing in zoo-based primate breeding programs;Porton,2005
5. Differential onset of infantile deprivation produces distinctive long-term effects in adult ex-laboratory chimpanzees (Pan troglodytes);Kalcher;Dev Psychobiol,2008