1. Pregnancy outcome in infertile patients with polycystic ovary syndrome who were treated with metformin 
Samuel S. Thatcher, M.D., Ph.D., Elizabeth M. Jackson, B.S. 
Fertility and Sterility 
Volume 85, Issue 4, Pages (April 2006)
DOI: /j.fertnstert
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

2. FIGURE 1 Therapeutic interventions.
Thatcher. PCOS, metformin, and pregnancy. Fertil Steril 2006.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions