1. General medical council (UK). Ethical guidance on prescribing. 2013. http://www.gmc-uk.org/guidance/ethical_guidance/prescriptions_faqs.asp (accessed Jan 13).
2. Council of Europe. Social cohesion in prescribing. http://www.coe.int/t/e/social_cohesion/soc-sp/public_health/pharma_and_medicine/survey_prescriptionforms_appendix_g_recmed_v1_211204.asp (accessed Jan 13).
3. Palliative sedation in dying patients: “we turn to it when everything else hasn't worked”;Lo;JAMA,2005