Lewis, C. S., Porter, E., Matthews, D., Kipar, A., Tasker, S., Helps, C. R., & Siddell, S. G. (2015). Genotyping coronaviruses associated with feline infectious peritonitis. J Gen Virol.

Lewis, Catherine S., Emily Porter, David Matthews, Anja Kipar, Séverine Tasker, Christopher R. Helps, and Stuart G. Siddell. "Genotyping Coronaviruses Associated With Feline Infectious Peritonitis." J Gen Virol 2015.

Lewis, Catherine S., et al. "Genotyping Coronaviruses Associated With Feline Infectious Peritonitis." J Gen Virol 2015.