1. Oxford Dictionaries http://oxforddictionaries.com/definition/english/advocacy
2. Oxford Dictionaries http://oxforddictionaries.com/definition/english/advocate
3. Oxford Dictionaries http://oxforddictionaries.com/definition/english/lobby
4. Oxford Dictionaries http://oxforddictionaries.com/definition/english/influence
5. Royal College of Physicians and Surgeons of Canada The CANMeds Framework http://www.royalcollege.ca/portal/page/portal/rc/canmeds/framework 2005