1. Canine Guidelines for the Diagnosis, Prevention, and Management of Heartworm (Dirofilaria immitis) Infection in Dogs;American Heartworm Society,2009
2. Current Canine Guidelines for the Diagnosis, Prevention, and Management of Heartworm (Dirofilaria immitis) Infection in Dogs;American Heartworm Society,2012
3. Heartworm Survey, July;Anonymous,2002
4. Comparative efficacy of four commercially available heartworm preventive products against the JYD-34 laboratory strain of Dirofilaria immitis;Blagburn,2013