Tumor viruses and early mouse embryos.
D000818:Animals; D005786:Gene Expression Regulation; D005865:Gestational Age; D051379:Mice / Q000196:embryology*; D009154:Mutation; D011120:Polyomavirus / Q000235:genetics; D012190:Retroviridae / Q000235:genetics; D013539:Simian virus 40 / Q000235:genetics; D013724:Teratoma / Q000382:microbiology; D014412:Tumor Virus Infections / Q000503:physiopathology*