Letter: Screening for breast cancer.
D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000175:diagnosis / Q000517:prevention & control*; D004739:England; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D008403:Mass Screening; D008875:Middle Aged; D013997:Time Factors