1.Decaro N, et al. (2008). An update on canine coronaviruses: viral evolution and pathobiology. Vet Microbiol.10;132(3-4):221-34. 2.Decaro N, et al. (2011). Canine coronavirus: not only an enteric pathogen. Vet Clin North Am Small AnimPract. 41(6):1121-32.doi:10.1016/j.cvsm.2011.07.005. Epub 2011 Sep 29. Review.