1. 1FP. Crawley The Limits of the Declaration of Helsinki. Address to Scientific Session, World Medical Association General Assembly, 2003 , Helsinki.
2. 2R. Macklin Future challenges for the Declaration of Helsinki: Maintaining Credibility in the Face of Ethical Controversies. Address to Scientific Session, World Medical Association General Assembly, 2003 , Helsinki.
3. 3The World Medical Association Ethics Unit. Declaration of Helsinki., http://www.wma.net/e/ethicsunit
4. 4KJ. Vanhoozer, Is There a Meaning in this Text? Grand Rapids, MI: Zondervan, 1998 ; 17 -29 .