Beilanski A, Schneider U, Pawlyshyn VP, Mapletoft RJ (1986) Factors affecting survival of deep frozen bovine embryos in vitro: The effect of freezing container and method of removing cryoprotectant. Theriogenology 25: 429-437.
Kennedy LG, Boland MP, Goldon I (1983) Effect of bovine embryo quality on survival after rapid freezing and thawing. Theriogenology 19: 135.
Lehn-Jensen H, Rall WF (1983) Cryomicroscopic observa-tions of cattle embryos during freezing and thawing. Theriogenology 19: 263-277.
Rall WF, Polge C (1984) Effect of warming rate on mouse embryos frozen and thawed in glycerol. J Reprod Fert 70: 285-292.
Rall WF, Meyer TK (1989) Zona fracture damage and its avoidance during the cryopreservation of mamalian embryos. Theriogenology 31: 683-692.