Preferences for nesting material as environmental enrichment for laboratory mice. 1997. VandeWeerd HA, van Loo PL, van Zutphen LF, Koolhaas JM, Baumans V. Lab Anim 31:133-143.

Preferences of laboratory mice for characteristics of soiling sites. 1996. Sherwin CM. Anim Welf 5:283-288.

Proceedings of the Third International Workshop on Nude Mice. 1982. Reed ND, ed. vol 1: Invited Lectures/Infection/Immunology; vol 2: Oncology. New York: Gustav Fischer.

Rabbits: Good Practice for Housing and Care, 2nd ed. 2008. RSPCA, Research Animals Department. Available at http://content.www.rspca.org.uk/cmsprd/Satellite?blobcol=urldata&blobheader=application%2Fpdf&blobkey=id&blobnocache=false&blobtable=MungoBlobs&blobwhere=1232988745180&ssbinary=true; accessed January 24, 2010.

Rats: Good Practice for Housing and Care, 2nd ed. 2008. RSPCA, Research Animals Department. Available at http://content.www.rspca.org.uk/cmsprd/Satellite?blobcol=urldata&blobheader=application%2Fpdf&blobkey=id&blobnocache=false&blobtable=MungoBlobs&blobwhere=1232988745061&ssbinary=true; accessed January 24, 2010.

Refinements in rabbit husbandry. 1993. Morton DB, Jennings M, Batchelor GR, Bell D, Birke L, Davies K, Eveleigh JR, Gunn D, Heath M, Howard B, Koder P, Phillips J, Poole T, Sainsbury AW, Sales GD, Smith DJA, Stauffacher M, Turner RJ. Lab Anim 27:301-329.

Refining Rabbit Care: A Resource for Those Working with Rabbits in Research. 2008. Hawkins P, Hubrecht R, Bucknell A, Cubitt S, Howard B, Jackson A, Poirier GM. RSPCA. Available at www.rspca.org.uk/ImageLocator/LocateAsset?asset=document&assetId=1232712644330&mode=prd; accessed January 24, 2010.

Refining rodent husbandry: The mouse. 1998. Jennings M, Batchelor GR, Brain PF, Dick A, Elliott H, Francis RJ, Hubrecht RC, Hurst JL, Morton DB, Peters AG, Raymond R, Sales GD, Sherwin CM, West C. Lab Anim 32:233-259.

Report of the 2002 RSPCA/UFAW rodent welfare group meeting: Individually ventilated cages and rodent welfare. 2003. Hawkins P, Anderson D, Applebee K, Key D, Wallace J, Milite G, MacArthur-Clark J, Hubrecht R, Jennings M. Anim Technol Welf 2:23-24.

Research Techniques in the Rat. 1982. Petty C. Springfield IL: Charles C Thomas.

Rodents and Rabbits: Current Research Issues. 1994. Niemi SM, Venable JS, Guttman JN, eds. Bethesda MD: Scientists Center for Animal Welfare.

Short-term effects of a disturbed light-dark cycle and environmental enrichment on aggression and stress-related parameters in male mice. 2004. Van der Meer E, van Loo PL, Baumans V. Lab Anim 38:376-383.

The Biology of the Guinea Pig. 1976. Wagner JE, Manning PJ, eds. New York: Academic Press.

The Biology of the Laboratory Rabbit, 2nd ed. 1994. Manning PJ, Ringler DH, Newcomer CE, eds. San Diego: Academic Press.

The Brattleboro rat. 1982. Sokol HW, Valtin H, eds. Ann NY Acad Sci 394:1-828.

The cage preferences of laboratory rats. 2001. Patterson-Kane EG, Harper DN, Hunt M. Lab Anim 35:74-79.

The effects of different rack systems on the breeding performance of DBA/2 mice. 2003. Tsai2003. Tsai PP, Oppermann D, Stelzer HD, Mahler M, Hackbarth H. Lab Anim 37:44-53.

The effects of feeding and housing on the behaviour of the laboratory rabbit. 1999. Krohn TC. Lab Anim 33:101-107.

The effects of group housing on the research use of the laboratory rabbit. 1993. Whary M, Peper R, Borkowski G, Lawrence W, Ferguson F. Lab Anim 27:330.

The effects of intracage ventilation on microenvironmental conditions in filter-top cages. 1992. Lipman NS, Corning BF, Coiro MA Sr. Lab Anim 26:206-210.

The Hamster: Reproduction and Behavior. 1985. Siegel HI, ed. New York: Plenum Press.