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"Aetna and Sharp HealthCare Expand Accountable Care Collaboration, Introduce Aetna Whole Health Plans to Employers in San Diego  SAN DIEGO--(BUSINESS WIRE)-- Aetna (NYSE: AET) today announced an"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.aol.com/article/2013/09/23/aetna-and-sharp-healthcare-expand-accountable-care/20727739/>