title: Genetic study of breast cancer: identification of a high risk group.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001943:Breast Neoplasms / Q000235:genetics* / Q000635:transmission; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary; D010053:Ovary / Q000502:physiology; D010375:Pedigree; D012737:Sex Factors