[Basic immunology. How immunity works].
D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D006680:HLA Antigens / Q000276:immunology; D006801:Humans; D007109:Immunity; D051381:Rats; D012397:Rosette Formation; D013601:T-Lymphocytes / Q000276:immunology
D006680:HLA Antigens