Silver Book Fact

Adults 45 years of age and over reporting prescription drug use in the past month for selected drug categories, by age and sex: United States, 1988-1994 and 2003-2006
Centers for Disease Control and Prevention. Health, United States, 2009. Hyattsville, MD: National Center for Health Statistics; 2009. http://www.cdc.gov/nchs/data/hus/hus09.pdf