1. Consensus statement on improving migraine management;American Association for the Study of Headache and International Headache Society;Headache,1998
2. The placebo effect;Anonymous editorial;Clin Med,2003
3. Principles of Biomedical Ethics;Beauchamp,1989
4. Convention on human rights and biomedicine;Council of Europe,1997
5. Explanatory report to the convention on human rights and biomedicine;Council of Europe,1997