Analysis of effect of different steps of vitrification protocol for cryopreservation with ethylene glycol-sucrose medium on 2-cell murine embryo viability - E. I. Smoljaninova; O. V. Pishko; E. G. Lisina; A. A. Kolesnikova; L. F. Rozanov (Problems of cryobiology and cryomedicine, 2007)