Breast cancer screening.
D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000517:prevention & control*; D005260:Female; D006291:Health Policy; D006801:Humans; D008327:Mammography / Q000451:nursing*; D008403:Mass Screening / Q000451:nursing*; D008875:Middle Aged; D024802:Nurse's Role; D017410:Practice Guidelines as Topic; D014481:United States