title: Letter: Rifampicin and immunosuppression.
mesh_terms: D018288:Carcinoma, Small Cell / Q000209:etiology; D006801:Humans; D007109:Immunity / Q000187:drug effects*; D008175:Lung Neoplasms / Q000209:etiology; D008297:Male; D008875:Middle Aged; D012293:Rifampin / Q000009:adverse effects* / Q000494:pharmacology / Q000627:therapeutic use; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy
chemical_list: D012293:Rifampin