title: Nonspecific suppression of in vitro generation of cytotoxic lymphocytes by allogeneic and xenogeneic embryonic tissues.
mesh_terms: D000818:Animals; D004622:Embryo, Mammalian / Q000276:immunology*; D005260:Female; D007108:Immune Tolerance; D008213:Lymphocyte Activation; D051379:Mice; D008807:Mice, Inbred BALB C; D008809:Mice, Inbred C3H; D008808:Mice, Inbred CBA; D008811:Mice, Inbred DBA; D009115:Muridae; D011247:Pregnancy; D013602:T-Lymphocytes, Cytotoxic / Q000276:immunology*