Most doctors surveyed said they think visits to emergency rooms will increase as the new health law is implemented. hide caption

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The CBO says House Budget Committee Chairman Paul Ryan's plan for Medicare could lead to health care rationing. Ryan is shown here with Republican members of his committee on Capitol Hill, April 5, 2011. J. Scott Applewhite/AP hide caption

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Maryland hospitals are promoting hand washing among other measures to prevent patient infections. Leah-Anne Thompson/ hide caption

toggle caption Leah-Anne Thompson/