From the Centers for Disease Control and Prevention. Mammography and clinical breast examinations among women aged 50 years and older--Behavioral Risk Factor Surveillance System, 1992.
D000368:Aged; D001943:Breast Neoplasms / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008327:Mammography / Q000706:statistics & numerical data*; D008403:Mass Screening / Q000379:methods / Q000706:statistics & numerical data*; D008875:Middle Aged; D010173:Palpation / Q000706:statistics & numerical data*; D014481:United States