1. Integument;King,1984
2. Examination and preventive medicine protocols in psittacines;Romagnano,1999
3. Neoplasia;Schmidt,1997
4. Harvey-Clark C. Clinical and research use of implantable vascular access ports in avian species. In: Proceedings of the Association of Avian Veterinarians; 1990. p. 191–209.
5. Cardiovascular system;King,1984