1. Ader R, Friedman SB. Social-factors affecting emotionality and resistance to disease in animals 4. Differential housing, emotionality, and Walker 256 carcinosarcoma in the rat. Psychol Rep 1964; 15:535-541
2. Arnold CE, Estep DQ. Laboratory Caging Preferences in Golden-Hamsters (Mesocricetus-Auratus). Lab Anim 1994; 28:232-238
3. Augustsson H, van de Weerd HA, Kruitwagen CLJJ, Baumans V. Within and between group variation in the light/dark test in mice: The importance of strain and environmental enrichment. Lab Anim in press
4. Baumans V, Stafleu FR, Bouw J. Testing housing system for mice - the value of a preference test. Z Versuchstierkd 1987; 29:9-14
5. Baumans V, Schlingmann F, Vonck M, van Lith HA. Individually ventilated cages: beneficial for mice and men? Contemp Top Lab Anim Sci 2002; 41:13-19