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- [2] An Economic Perspective on a U.S. National Broadband Plan POLICY AND INTERNET, 2009, 1 (01): : 113 - 137
- [5] U.S. Government Funding of Major Space Goals: A Historical Perspective NEW SPACE, 2016, 4 (01): : 15 - 18
- [6] Competing demands in postpartum care: a national survey of U.S. providers’ priorities and practice BMC Health Services Research, 20
- [10] U.S. Physicians’ Views on Financing Options to Expand Health Insurance Coverage: A National Survey Journal of General Internal Medicine, 2009, 24 : 526 - 531