Putative relationship between hormonal status and serum pyrrolidone carboxypeptidase activity in pre- and post- menopausal women with breast cancer. The breast, Dec. 2012, Vol. 21(6), p.751-54.
del Pillar Carrera-Gonzalez, M., et al.
http://www.thebreastonline.com/article/PIIS0960977612000288/abstract?rss=yes
In breast cancer, hormonal changes are rather constant in post-menopausal women since they tend to vary only over long time spans. However, in pre-menopausal women, the development of breast cancer is associated with hormonal physiological variations.
