title: Activation of T cells via cell-cell interaction: role of growth factors and accessory cells.
mesh_terms: D000818:Animals; D002450:Cell Communication; D006133:Growth Substances / Q000502:physiology*; D006801:Humans; D008213:Lymphocyte Activation; D008954:Models, Biological; D013601:T-Lymphocytes / Q000166:cytology / Q000276:immunology*
chemical_list: D006133:Growth Substances