title: Anti-PPD IgG responses in tuberculous pleurisy.
mesh_terms: D000888:Antibodies, Anti-Idiotypic / Q000032:analysis; D000917:Antibody Formation; D006801:Humans; D007111:Immunity, Cellular; D007074:Immunoglobulin G / Q000276:immunology*; D014373:Tuberculin / Q000276:immunology*; D014396:Tuberculosis, Pleural / Q000276:immunology*
chemical_list: D000888:Antibodies, Anti-Idiotypic; D007074:Immunoglobulin G; D014373:Tuberculin