1. Storage of human oocytes in the vapor phase of nitrogen
Ana Cobo, Ph.D., Josep Ll. Romero, Ph.D., Sonia Pérez, Ph.D., María J. de los Santos, Ph.D., Marcos Meseguer, Ph.D., José Remohí, M.D. 
Fertility and Sterility 
Volume 94, Issue 5, Pages (October 2010)
DOI: /j.fertnstert
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Daily temperature measurements of the vapor-phase nitrogen tank.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2 Embryo development. VPN = vapor-phase nitrogen.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions