McGill, Erin, Olaf Berke, Andrew S. Peregrine, and J. Scott Weese. 2019. “Epidemiology of Canine Heartworm (Dirofilaria Immitis) Infection in Domestic Dogs in Ontario, Canada: Geographic Distribution, Risk Factors and Effects of Climate”. Geospatial Health 14 (1). https://doi.org/10.4081/gh.2019.741.