title: Analysis of determination and differentiation in the early mammalian embryo using intra- and interspecific chimeras.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002678:Chimera; D004624:Embryo Transfer; D004622:Embryo, Mammalian / Q000166:cytology / Q000502:physiology*; D005260:Female; D005865:Gestational Age; D006128:Growth; D051379:Mice; D009030:Mosaicism; D011247:Pregnancy; D051381:Rats; D014183:Transplantation, Heterologous; D014327:Trophoblasts