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

-- 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 evidence-based program to improve cancer care will...