1. Effect of the insulin sensitizers metformin and pioglitazone on endothelial function in young women with polycystic ovary syndrome: a prospective randomized study 
Katerina K. Naka, M.D., Ph.D., Sophia N. Kalantaridou, M.D., Maria Kravariti, M.D., Aris Bechlioulis, M.D., Nikolaos Kazakos, M.D., Karim A. Calis, Pharm.D., M.P.H., Antonis Makrigiannakis, M.D., Ph.D., Christos S. Katsouras, M.D., George P. Chrousos, M.D., Agathocles Tsatsoulis, M.D., Ph.D., Lampros K. Michalis, M.D. 
Fertility and Sterility 
Volume 95, Issue 1, Pages (January 2011)
DOI: /j.fertnstert
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Flow-mediated dilation (FMD) in the control women and in the three groups of women with PCOS at baseline and at 6-month follow-up. ∗P<.001 versus controls. †P<.001 versus baseline in metformin group. ‡P<.001 versus baseline in pioglitazone group.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions