Age at menarche and breast cancer.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001943:Breast Neoplasms / Q000175:diagnosis / Q000453:epidemiology* / Q000473:pathology; D002648:Child; D005260:Female; D006801:Humans; D008572:Menarche; D008598:Menstruation; D008875:Middle Aged; D011044:Poland; D011627:Puberty