title: Two subgroups of T helper cells in F1 hybrid mice revealed by negative selection to heterologous erythrocytes in vivo.
mesh_terms: D000818:Animals; D017707:Erythrocyte Transfusion; D006648:Histocompatibility; D006736:Horses; D006824:Hybridization, Genetic; D051379:Mice; D008810:Mice, Inbred C57BL; D008808:Mice, Inbred CBA; D011828:Radiation Chimera; D012756:Sheep; D013601:T-Lymphocytes / Q000276:immunology*; D014183:Transplantation, Heterologous