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Published online by Cambridge University Press: 10 March 2009
The discussion of the effectiveness of the use of large bases for technology and quality assessments in health care is important to policy makers because of their increasing concern about the value of the dollars spent on health care. The focus on value is particularly acute for those policy makers having responsibility for the Medicare program. Recognizing that knowledge regarding medical outcomes will be imperfact, nevertheless, they have put the wheels in motion to empand research in this area beyond clinical trials.