title: Human delayed hypersensitivity: an in vitro correlate and transfer by an RNA extract.
mesh_terms: D002464:Cell Migration Inhibition; D006659:Histoplasmin / Q000276:immunology; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000276:immunology*; D066298:In Vitro Techniques; D012313:RNA / Q000276:immunology*; D014373:Tuberculin / Q000276:immunology
chemical_list: D014373:Tuberculin; D012313:RNA; D006659:Histoplasmin