1. Institute of Medicine. Conflict of interest in medical research, education, and practice. Washington, DC: National Academies Press; 2009.
2. AANS Board of Directors. AANS Code of Ethics. 13 Apr 2007.
3. AANS. The AANS Professional Conduct Program. Feb 2011.
4. World Federation of Neurological Societies, European Association of Neurological Societies. Good practice: a guide for neurosurgeons. Acta Neurochir. 1999;141:791–9. (Final Version: August 1998).
5. Johnson AG, Johnson PRV. Making sense of medical ethics. Oxford: Oxford University Press; 2007. p. 190–6.