1. Xenotransplantation of cryopreserved human ovarian tissue—a systematic review of MII oocyte maturation and discussion of it as a realistic option for restoring fertility after cancer treatment 
Ralf Dittrich, Ph.D., Laura Lotz, M.D., Tanja Fehm, M.D., Jan Krüssel, M.D., Michael von Wolff, M.D., Bettina Toth, M.D., Hans van der Ven, Ph.D., Andreas N. Schüring, M.D., Wolfgang Würfel, M.D., Inge Hoffmann, Matthias W. Beckmann, M.D. 
Fertility and Sterility 
Volume 103, Issue 6, Pages (June 2015)
DOI: /j.fertnstert
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Options for cryopreservation of ovarian tissue and reimplantation.
Modified according to Donnez et al. (5).
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions