title: Inhibition of leucocyte migration in man by the agarose plate technique using protein purified derivatives (PPD) from three different sources.
mesh_terms: D000941:Antigens; D002464:Cell Migration Inhibition; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology*; D007111:Immunity, Cellular; D007962:Leukocytes / Q000276:immunology*; D008722:Methods; D011134:Polysaccharides; D011506:Proteins; D012882:Skin Tests; D014374:Tuberculin Test
chemical_list: D000941:Antigens; D011134:Polysaccharides; D011506:Proteins