NIH to drug researchers: Start including female test subjects in your studies.
When lab rats are released into the wild :: Understanding Animal Research
Laboratory Rat #10 by Coneyl Jay/science Photo Library
BBC Radio 4 - The Digital Human, Series 19, Lab Rats
Environmental Enrichment Options for Laboratory Rats and Mice
Lab Rats, One And All: That Unsettling Facebook Experiment : NPR
Medical research: Axe hangs over nation's biggest breeder of laboratory rats and mice
How many mice and rats are used in U.S. labs? Controversial study says more than 100 million, Science
Mice and Rats in Laboratories