Barrier contraceptive practice and male infertility as related factors to female breast cancer.
D001943:Breast Neoplasms / Q000209:etiology*; D003268:Contraception Behavior; D003273:Contraceptive Devices / Q000009:adverse effects*; D005260:Female; D006801:Humans; D007248:Infertility, Male; D008297:Male; D012661:Semen