Letter: Incidence of breast cancer.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001943:Breast Neoplasms / Q000453:epidemiology*; D003237:Connecticut; D003718:Denmark; D005260:Female; D006801:Humans; D008875:Middle Aged; D009656:North America; D006113:United Kingdom