title: Preservation of bovine blastocysts in liquid nitrogen using two different freezing/thawing rates and DMSO/glycerol as cryoprotectants.
authors.affiliation: Institute for Animal Reproduction, Bülowsvej 13, DK-1870 Copenhagen V. Denmark.
authors.forename: H
authors.initials: H
authors.lastname: Lehn-Jensen
authors.forename: T
authors.initials: T
authors.lastname: Greve