title: The induction of macrophage proliferation in vitro by a lymphocyte-produced factor.
mesh_terms: D000818:Animals; D002850:Chromatography, Gel; D004306:Dose-Response Relationship, Immunologic; D006168:Guinea Pigs; D007111:Immunity, Cellular; D007700:Kinetics; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology; D008222:Lymphokines / Q000378:metabolism* / Q000494:pharmacology; D008264:Macrophages / Q000276:immunology*; D008934:Mitogens; D008970:Molecular Weight
chemical_list: D008222:Lymphokines; D008934:Mitogens