1. Positive reinforcement training as enrichment for singly-housed rhesus macaques;Baker;Anim Welf,2010
2. Positive reinforcement training moderates only high levels of abnormal behavior in singly housed rhesus macaques;Baker;J Appl Anim Welf Sci,2009
3. Benefits of isosexual pairing of rhesus macaques (Macaca mulatta) vary with sex and are limited by protected contact but not by frequent separation of pairs;Baker;Am J Primatol,2008
4. Behavioural indicators of anxiety: an empirical test in chimpanzees;Baker;Behaviour,1997
5. Laboratory routines cause animal stress;Balcombe;Contemp Top Lab Anim Sci,2004