2Tieman A M,Waiss N S,Daling J R,et al.Incidence of cancer in women in relation to know or suspected risk factors for breast cancer.Cancer Research.1987,47(1):292
3Shering SG,Zbur AP.Moriarty M,et al.Thyroid diseases and breast cancer.Eur J Carcer,1996,5(6):504-506