MedlinePlus: Cyclophosphamide
- Provides information about precautions, side effects, brand names, and uses for the medicine.
- http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a682080.html

Cytoxan
- Full prescribing information from RxList.
- http://www.rxlist.com/cgi/generic3/cyclophosphamide.htm