title: A new lymphocyte transforming factor derived from the lysosomes of polymorphonuclear leucocytes.
mesh_terms: D000818:Animals; D002850:Chromatography, Gel; D006168:Guinea Pigs; D007962:Leukocytes / Q000276:immunology*; D008099:Liver / Q000166:cytology; D008213:Lymphocyte Activation; D008247:Lysosomes / Q000276:immunology*; D008264:Macrophages / Q000276:immunology; D011817:Rabbits