title: A simplified method for chromosome preparations of the rat pre-implantation embryos.
mesh_terms: D000818:Animals; D001755:Blastocyst / Q000166:cytology; D002875:Chromosomes; D003584:Cytological Techniques; D047108:Embryonic Development; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats