1. Tratamiento hormonal sustitutivo y cáncer de mama;Comino;Prog Obstet y Ginecol,1997
2. Is there an association between hormone replacement therapy and breast cancer?;Creasman;J Women's Hlth,1998
3. Traitement hormonal substitutif de la menopause et cancer du sein;Noël;Bull Cancer,1998
4. Results of estrogen treatment in one thousand hysterectomized women for 14318 years;Burch,1976
5. Breast cancer in women who have taken contraceptive steroids;Matthews;Br Med J,1981