1. Does metformin affect the ovarian response to gonadotropins for in vitro fertilization treatment in patients with polycystic ovary syndrome and reduced ovarian reserve? A randomized controlled trial 
Stefano Palomba, M.D., Angela Falbo, M.D., Annalisa Di Cello, M.D., Fulvio Cappiello, M.D., Achille Tolino, M.D., Fulvio Zullo, M.D. 
Fertility and Sterility 
Volume 96, Issue 5, Pages (November 2011)
DOI: /j.fertnstert
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Flow diagram of the randomized controlled trial according to the CONSORT guidelines (9). The reason for which the single exclusion causes exceed the total number is that each subject could have more than one exclusion causes.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions