1. Veterinary medical ethics: a focus of conflicting interests;Tannenbaum;J Soc Issues,1993
2. American Veterinary Medical Association (AVMA) Veterinarian's oath https://www.avma.org/KB/Policies/Pages/veterinarians-oath.aspx 23 Jun 2017
3. American Veterinary Medical Association (AVMA) Principles of veterinary medical ethics https://www.avma.org/KB/Policies/Pages/Principles-of-Veterinary-Medical-Ethics-of-the-AVMA.aspx 23 Jun 2017
4. Royal College of Veterinary Surgeons Code of professional conduct for veterinary surgeons and supporting guidance http://www.rcvs.org.uk/advice-and-guidance/code-of-professional-conduct-for-veterinary-surgeons/pdf 23 Jun 2017