1. US Department of Health and Human Services, Nci dictionary of cancer terms, Available
2. Virotherapy.eu. About virotherapy, Available
3. Virotherapy.eu. Treatment, Available
4. M. D. Liji Thomas, What is virotherapy? 2015. Available
5. i>Oncolytic virotherapy;S. J. Russell, K. Peng, J. C. Bell;Nat. biotechnol.