TY - GEN AU - KIRBY,D R TI - Reciprocal transplantation of blastocysts between rats and mice SN - 0028-0836 PY - 1998///1101 KW - Animals KW - Blastocyst KW - Embryo, Mammalian KW - Embryo, Nonmammalian KW - Mice KW - Rats N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/194785a0 ER -