Comparison between storage of vitrified oocytes by cryotop method in liquid nitrogen vs. vapour phase of liquid nitrogen tanks

• A. Cobo, S. Pérez, M.J. de los Santos, A. Pellicer, J. Remohí

• Fertility and Sterility, September 2007, Elsevier
• DOI: 10.1016/j.fertnstert.2007.07.302