APRIL 20: Boston Marathon Live on CBSBoston.com, WBZ-TV and WBZ NewsRadio 1030 | Coverage Details
Live Blog | Mile By Mile Guide | Road Closures | Best Spectator Spots | Forecast | All Marathon Coverage

Medical Marketers Connecting Doctors To Specialists

When your primary care doctor refers you to a specialist, you may be surprised to learn how those two doctors connected in the first place.  Kerry Connolly reports