The New England Journal of Medicine just recently published an article which raises questions about the ethics and the science of increasingly conducting studies, or clinical trials, outside the United States — when the studies are meant to gather evidence for new drugs to gain approval in this country. The concept certainly raised the issue of whether there is increased clinical trial fraud outside of this country, to the extent there is  less oversight and/or ethics. See Ethical and Scientific Implications of the Globalization of Clinical Research, February 19, 2009.

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http://content.nejm.org/cgi/content/full/360/8/824