title: Presence of a gonadotrophin on the surface of preimplanted mouse embryos.
mesh_terms: D001755:Blastocyst / Q000032:analysis*; D002462:Cell Membrane / Q000032:analysis; D006063:Chorionic Gonadotropin / Q000032:analysis*; D004622:Embryo, Mammalian / Q000032:analysis* / Q000166:cytology; D004625:Embryo, Nonmammalian; D005455:Fluorescent Antibody Technique; D007118:Immunoassay
chemical_list: D006063:Chorionic Gonadotropin