1Giordano S, Sharon H. Breast cancer in men. Annals of Internal Medicine ,2002,137 ( 8 ) :678 - 687.
2Vetto WS'John MD'Jun SY'et al. Stages at presentation'prognostic factors" and outcome of breast cancer in males. The American J Surg, 1999,177 (5) :379 - 383.