Useful Links:

National Center for Biotechnology Information

http://www.ncbi.nlm.nih.gov/

The Jackson Laboratory

http://jaxmice.jax.org/index.html

Sanger Institute Mouse Genome Server

http://www.ensembl.org/Mus_musculus/

Mouse Repository at NCI-Frederick

http://web.ncifcrf.gov/researchresources/mmhcc/