WASHINGTON, July 28 -- The U.S. Department of Justice issued the following news release: The United States has filed a complaint against Murphy Medical Center, Inc. doing business as Erlanger Western Carolina Hospital and Chattanooga-Hamilton County Hospital Authority doing business as Erlanger Health System and Erlanger Medical Center (collectively, Erlanger) in the U.S. District Court for the Western District of North Carolina. The government alleges that Erlanger, a health care system locate more PR