1. Nel, M. in Clinical Veterinary Advisor (Cote, E., ed.) 1245–1246 (Elsevier, St. Louis, 2007).
2. Harcourt-Brown, F. in Textbook of Rabbit Medicine (Harcourt-Brown, F., ed.) 87–88 (Butterworth-Heinemann, Oxford, 2002).
3. Inglis, S. & Strunk, A. Rabbit anesthesia. Lab. Anim. (NY) 38, 84–85 (2009).
4. Brown, C. Restraint collars. Part I: Elizabethan collars and other types of restraint collars. Lab. Anim. (NY) 35, 1–3 (2006).