1. Regulation of vascular endothelial growth factor-A and its soluble receptor sFlt-1 by luteinizing hormone in vivo: implication for ovarian follicle angiogenesis 
Guy Gutman, M.D., Vivian Barak, Ph.D., Sharon Maslovitz, M.D., Ami Amit, M.D., Joseph B. Lessing, M.D., Eli Geva, M.D. 
Fertility and Sterility 
Volume 89, Issue 4, Pages (April 2008)
DOI: /j.fertnstert
Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1 Follicular fluid VEGF-A/sFlt-1 ratio.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2 Follicular fluid PlGF/sFlt-1 ratio.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions