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- [34] U.S. paper trade deficit is $4.2 billion in 2002 - Down from record $5.0 billion Pulp and Paper Week, 2003, 25 (14): : 9 - 10
- [35] Decomposition of the drivers of the U.S. hospital spending growth, 2001–2009 BMC Health Services Research, 14
- [39] Prescription Drug Coverage and Medicare Spending among U.S. Elderly The Geneva Papers on Risk and Insurance - Issues and Practice, 2010, 35 : 539 - 567