title: In vitro lymphoblastoid transformation with purified protein derivative (PPD) as a diagnostic test in tuberculosis.
mesh_terms: D006801:Humans; D008213:Lymphocyte Activation; D014373:Tuberculin; D014374:Tuberculin Test; D014376:Tuberculosis / Q000175:diagnosis* / Q000276:immunology
chemical_list: D014373:Tuberculin