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DENVER, CO - MARCH 23: Registered nurse Steve Van Dyke takes notes while paying a house call to patient Mildred Herman, 91, on March 23, 2012 in Denver, Colorado. Van Dyke works for the Dominican Sisters Home Health Agency, a non-profit that performs thousands of home visits each year for needy patients, most without private health insurance. The agency provides home health care without charge to people with chronic diseases and gives preventative services that are often not covered by Medicare. (Photo by John Moore/Getty Images)
