title: Human embryology: Implantation barrier overcome.
authors.affiliation: Peter Gilgan Centre for Research and Learning, The Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada, and in the Department of Molecular Genetics, University of Toronto.
authors.forename: Janet
authors.initials: J
authors.lastname: Rossant
mesh_terms: D000818:Animals; D004622:Embryo, Mammalian / Q000166:cytology* / Q000196:embryology*; D047108:Embryonic Development; D006801:Humans