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. 2013 Apr 24;9:86. doi: 10.1186/1746-6148-9-86

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Copyright © 2013 Bartel et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Alterations of oestrogen receptor expression in 3D cultured canine endometrial cells due to 17β-estradiol and progesterone supplementation. Percentage of oestrogen receptor ER positive glandular epithelial cells (GECs) and stromal cells (SCs) after 24 and 48 hr of 3D cell culture with (A) 17β-estradiol supplementation (E) and (B) progesterone (P) in the respective three different concentrations. Due to the high number of statistical significant results concerning the comparison with the control group (hormone free) statistical non-significant (p > 0.05) results are indicated as italic letters (A-B for GECs, a-e for SCs) above the related columns.