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. Author manuscript; available in PMC: 2010 Oct 20.
Published in final edited form as: Breast. 2007 Oct 24;17(2):172–179. doi: 10.1016/j.breast.2007.08.009

Fig. 3.

Fig. 3

Effects of 17β-estradiol (E2), progesterone (Pg), and/or Tam on proliferation of human breast cancer MCF-7 cells. MCF-7 cells were treated with E2 at 10−9 M, Pg at 4 × 10−9 M, and Tam at 5 µM for 72 h. *Significantly different from control, p < 0.05. &Significantly different from cells treated with E2 or Pg alone, p < 0.05.