1. Empty follicle syndrome: the reality of a controversial syndrome, a systematic review 
Tania Luisa Stevenson, M.B.Ch.B., Hany Lashen, F.R.C.O.G. 
Fertility and Sterility 
Volume 90, Issue 3, Pages (September 2008)
DOI: /j.fertnstert
Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Flow chart representing the treatment options for GEFS and FEFS. rec = recombinant; OR = oocyte retrieval.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions