1. Digestive system. medicine and surgery of South American camelids: llama, alpaca, vicuña, guanaco;Fowler,1998
2. Dental disease. Medicine and surgery of South American camelids: llama, alpaca, vicuña, guanaco;Fowler,1998
3. Mattoon JS. Radiographic technique for dental disease of camelids. Presented at Current veterinary care and management of Llamas and Alpacas. Columbus, Ohio, March 23, 2006.
4. Retrospective study of camelid tooth abscesses;Niehaus,2007
5. Tooth root abscesses in new world camelids: 23 cases (1972–1994);Cebra;J Am Vet Med Assoc,1996