From the Centers for Disease Control and Prevention. Use of mammography services by women aged > or = 65 years enrolled in Medicare--United States, 1991-93.
D017677:Age Distribution; D000368:Aged; D000369:Aged, 80 and over; D001943:Breast Neoplasms / Q000517:prevention & control; D005260:Female; D006801:Humans; D008327:Mammography / Q000706:statistics & numerical data*; D008403:Mass Screening / Q000706:statistics & numerical data; D006278:Medicare / Q000706:statistics & numerical data*; D014481:United States / Q000453:epidemiology