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註釋This book provides a sample of the national, regional, and global public health efforts that we know, with confidence, have saved millions of lives and improved millions more. These cases meet a set of rigorous selection criteria: being large scale, having a duration of five years or more, employing a cost-effective intervention, and having a major impact on an important health problem Importantly, for these cases--as for a few others--sufficient investment was made in data collection and analysis to attribute changes in health conditions to the large-scale interventions or programs themselves. This fascinating new book shows that success is possible even in the poorest of counties and that a variety of approaches can be successful.