Ensuring patients' access to care and privacy : are federal laws protecting patients? : field hearing of the Committee on Health, Education, Labor, and Pensions, United States Senate, One Hundred Twelfth COngress, second session, on examining ensuring patients access to care and privacy, focusing on whether our federal laws are doing enough to protect people when they are most vulnerable, when they are sick and in need of medical care, May 30, 2012 (St. Paul, MN).