CAMBRIDGE, Mass.--(BUSINESS WIRE)--Representative Edward J. Markey (D-MA) will deliver the keynote, Drug and Device Safety- A U.S. Congressman’s Perspective, at the third annual Post-Approval Summit at Harvard, co-presented by the Massachusetts Eye and Ear Infirmary Clinical Outcomes Research Unit and Outcome Sciences, Inc. (OUTCOME). The Summit will be held from April 30 to May 1, 2007, at the Conference Center at Harvard Medical School in Boston.