title: Direct plaque-forming cell response to sheep red blood cells in rat spleen undergoing graft-versus-host reaction.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D017707:Erythrocyte Transfusion; D006087:Graft vs Host Reaction; D007165:Immunosuppression Therapy; D051381:Rats; D012756:Sheep; D013154:Spleen / Q000166:cytology / Q000276:immunology*; D014183:Transplantation, Heterologous