title: Tuberculosis--the diagnostic challenge.
mesh_terms: D000293:Adolescent; D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D014374:Tuberculin Test; D014376:Tuberculosis / Q000175:diagnosis* / Q000382:microbiology; D014390:Tuberculosis, Meningeal / Q000175:diagnosis; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis