- Tumors and spaying
- What does neutering do?
- Pregnancy and mammary tumors
- How soon can female rats conceive after giving birth?
- Why do some rats have white blazes and megacolon?
- Australian blue rats: a hypothesis
- Male rat weight
- How old is a rat in human years?
- Martin's cage overview
- Dirty cages aggravate mycoplasma. Also see overview of research article.
- Comparative studies of different types of rat bedding