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2. Maternal mortality and maternity care in the United States compared to 10 other developed countries;Tikkanen,2020
3. Health care administrative costs in the United States and Canada, 2017;Himmelstein;Ann Intern Med,2020
4. The facts on medicare spending and financing;Cubanski,2019
5. Health care spending in the United States and other high-income countries;Papanicolas;JAMA,2018