1. Expression of growth differentiation factor-9 and bone morphogenetic protein-15 in oocytes and cumulus granulosa cells of patients with polycystic ovary syndrome 
Shu-Yun Zhao, M.D., Jie Qiao, M.D., Yong-Jian Chen, Ph.D., Ping Liu, Ph.D., Jian Li, M.Sc., Jie Yan, M.Sc. 
Fertility and Sterility 
Volume 94, Issue 1, Pages (June 2010)
DOI: /j.fertnstert
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Expression of GDF-9 in oocytes of negative controls, healthy controls, and patients with PCOS.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Expression of GDF-9 in cumulus GCs of negative controls (A), healthy controls (B), and patients with PCOS (C).
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions