1. Increased expression of endothelin-1 and its receptors in varicocele: an immunohistochemical study 
Kostis Gyftopoulos, M.D., Ph.D., Christina Chondrogianni, M.Sc., Helen Papadaki, M.D., Ph.D. 
Fertility and Sterility 
Volume 95, Issue 8, Pages e2 (June 2011)
DOI: /j.fertnstert
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Immunohistochemical expression of combined intensity and distribution (H-score) for endothelin 1 (ET-1), ETA, and ETB in varicose (V) versus control (c) veins. (Whiskers: minimum to maximum; P<.0001, Wilcoxon signed rank test.)
Fertility and Sterility  , e2DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

3. Supplemental Figure 1
(A) Control vein stained poorly for endothelin 1 (ET-1). (B) Increased immunostaining for ET-1 in varicose vein. Note intima and media tunica thickening. ETA immunostaining in control vein (C) and in varicose vein (D). Analogous low ETB expression in control vein (E) compared with varicose veins (F). All microphotographs, ×20.
Fertility and Sterility  , e2DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions