title: The role of Langerhans cells in the Pirquet and Moro-Hamburger tuberculin reactions.
mesh_terms: D006801:Humans; D007801:Langerhans Cells / Q000276:immunology*; D013601:T-Lymphocytes / Q000276:immunology; D014373:Tuberculin / Q000276:immunology; D014374:Tuberculin Test
chemical_list: D014373:Tuberculin