title: Heterogeneity of blastogenic factors produced in vitro by antigenically stimulated and unstimulated leukocytes.
mesh_terms: D000941:Antigens / Q000032:analysis*; D003470:Culture Media; D046508:Culture Techniques; D006801:Humans; D007962:Leukocytes / Q000187:drug effects / Q000276:immunology*; D008213:Lymphocyte Activation; D014373:Tuberculin / Q000494:pharmacology
chemical_list: D000941:Antigens; D003470:Culture Media; D014373:Tuberculin