1. Patent ductus arteriosus in the dog: Characteristics of occurrence and results of surgery in one hundred consecutive cases;Eyster;J Am Vet Med Assoc,1976
2. Results of ligation of patent ductus arteriosus in dogs: 201 cases (1969-1988);Birchard;J Am Vet Med Assoc,1990
3. 4. Martin MWS , Clutton RE , Haig AL , et al. Closure of patent ductus arteriosus by a catheterisation technique using a Rashkind oc-cluder. British Small Animal Veterinary Association Congress, Birmingham, UK, 1992.
4. 5. Miller MW , Bonagura JD , Meurs LM , et al. Percutaneous catheter occlusion of a patent ductus arteriosus. 13th Annual Veterinary Forum, American College of Veterinary Internal Medicine, Orlando, FL, 1995.