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"SAN FRANCISCO &amp;#x2013; Have a heart problem? If it&amp;#x2019;s fixable, there&amp;#x2019;s a good chance it can be done without surgery, using tiny tools and devices that are pushed through tubes into blo..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.observer-reporter.com/article/20130324/NEWS05/130329591/-1/NEWS>