Control of breast cancer. The why and how of mass screening.
D001943:Breast Neoplasms / Q000517:prevention & control*; D003625:Data Collection; D005260:Female; D006761:Hospitals; D006801:Humans; D008327:Mammography / Q000706:statistics & numerical data*; D008403:Mass Screening / Q000458:organization & administration*; D012494:Sampling Studies; D014481:United States