title: Effect of PPD on the specific immune response to heterologous red cells in vitro.
mesh_terms: D000818:Animals; D000917:Antibody Formation / Q000187:drug effects*; D000941:Antigens; D000961:Antilymphocyte Serum; D002448:Cell Adhesion; D002478:Cells, Cultured; D003601:Cytotoxicity Tests, Immunologic; D004247:DNA / Q000096:biosynthesis; D004912:Erythrocytes / Q000276:immunology*; D004926:Escherichia coli / Q000276:immunology; D006462:Hemolytic Plaque Technique; D008070:Lipopolysaccharides; D008214:Lymphocytes / Q000276:immunology; D051379:Mice; D011135:Polysaccharides, Bacterial; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000166:cytology; D014373:Tuberculin / Q000494:pharmacology*
chemical_list: D000941:Antigens; D000961:Antilymphocyte Serum; D008070:Lipopolysaccharides; D011135:Polysaccharides, Bacterial; D014373:Tuberculin; D004247:DNA