1. Letrozole stimulates the growth of human endometrial explants cultured in three- dimensional fibrin matrix 
Mozafar Khazaei, Ph.D., Azadeh Montaseri, M.Sc., Robert F. Casper, M.D. 
Fertility and Sterility 
Volume 91, Issue 5, Pages (May 2009)
DOI: /j.fertnstert
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Inverted micrographs showing development of cellular outgrowth and cell monolayer invasion of the fibrin matrix on day 7 of culture in (a) control and (b) 0.1 μmol/L letrozole, (c) 1 μmol/L letrozole, (d) 10 μmol/L letrozole groups; and on day 21 of culture in (e) 1 μmol/L and (f) 10 μmol/L letrozole groups.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Immunohistochemical staining to document the endothelial cells anti-CD31 positive (a), endometrial glands anti-cytokeratin positive (b), and stromal cells anti-vimentin positive (c) in the letrozole groups. Arrows indicate positive reaction for antibody.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions

4. Figure 3
(a) Comparison of the mean of outgrowth index between control and 0.1 μmol/L, 1 μmol/L, and 10 μmol/L of letrozole. (b) Comparison of the mean of grades between control and 0.1 μmol/L, 1 μmol/L, and 10 μmol/L of letrozole. ∗P<.05; ∗∗P<.001.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions