- FDA - Heartworm Prevention in Your Pet
- American Animal Hospital Association
- AAVP (American Association of Veterinary Parasitologists)
- American Veterinary Medical Association (AVMA) Animal health page
- Companion Animal Parasite Council
- Feline Heartworm Disease - Cats get heartworms too! .
Some preventives only prevent heartworms, and some protect pets from multiple parasites. Because veterinarians know… https://t.co/37fiR9R1v0