- 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! .
RT @AHS_Think12: This is heartworm disease. Don't let this happen to your patients or pets! Give preventive every 30 days or the 6 month in…