Russell, W. M. S. 2002. The ill-effects of uncomfortable quarters. In: Comfortable Quarters for Laboratory Animals, Ninth Edition. Reinhardt, V. , Reinhardt, A. (eds.), 1-5. Animal Welfare Institute, Washington, DC.

From all these findings, it will now be obvious that the provision of comfortable quarters - including handling procedures - with a stable environment, companionship, and freedom to engage in the species-typical basic activities, is of supreme importance, alike for laboratory animal welfare and for the progress of reliable biomedical science.