1. Prospective cohort study of three- versus two-dimensional ultrasound for prediction of oocyte maturity 
Doron Shmorgun, M.D., Edward Hughes, M.D., Patrick Mohide, M.D., Robin Roberts, Ph.D. 
Fertility and Sterility 
Volume 93, Issue 4, Pages (March 2010)
DOI: /j.fertnstert
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1 Oocyte yield and number of 16- to 22-mm-diameter follicles.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2 Oocyte yield and number of 2- to 5-mL-volume follicles.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions