1. Diseases of the cardiovascular and hemolymphatic systems;Sisson,2013
2. Camelid cardiology;Margiocco;Vet Clin North Am Food Anim Pract,2009
3. Congenital/hereditary conditions;Fowler,1998
4. Llama cardiology;Boon;Vet Clin North Am Food Anim Pract,1994
5. Esophageal dysfunction in four alpaca crias and a llama cria with vascular ring anomalies;McKenzie;J Am Vet Med Assoc,2010