Aetna, P4 Healthcare Expand Their Collaboration to Georgia, Northern Virginia and Washington, D.C.

cancer care program promotes best practices -- HARTFORD, Conn. & DUBLIN, Ohio, May 23, 2011 (BUSINESS WIRE) -- Aetna /quotes/comstock/13*!aet/quotes/nls/aet AET -1.51% and Cardinal Health's P4 Healthcare business today announced that their...