1. AVMA-Veterinary Oath. Executive Board AVMA 2010
2. NAVTA-Veterinary Technician Code of Ethics 2007
3. Physiology of pain. In management of pain;Lamont;Vet Clin N Am,2000
4. Nociceptors-noxious stimuli detectors;Woolf;Neuron,2007
5. Local and regional anaesthesia and analgesia;Pascoe;Semin Vet Med Surg (Small Anim),1997