From the point of view of an immunologist: enemies from within or friends from long ago?
D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology*; D003602:Cytotoxicity, Immunologic; D006801:Humans; D008213:Lymphocyte Activation; D008211:Lymphocyte Cooperation; D008214:Lymphocytes / Q000166:cytology; D008222:Lymphokines / Q000276:immunology; D051379:Mice; D008938:Mitosis; D051381:Rats; D012190:Retroviridae / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology*; D013950:Thymus Gland / Q000276:immunology
D008222:Lymphokines