title: Macrophage requirement for production of the human mitogenic factor in vitro.
mesh_terms: D006801:Humans; D007376:Interleukin-2 / Q000096:biosynthesis*; D008213:Lymphocyte Activation / Q000187:drug effects; D008222:Lymphokines / Q000096:biosynthesis*; D008264:Macrophages / Q000276:immunology*; D010835:Phytohemagglutinins / Q000494:pharmacology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D007376:Interleukin-2; D008222:Lymphokines; D010835:Phytohemagglutinins