title: Frequency of negative intermediate-strength tuberculin sensitivity in patients with active tuberculosis.
mesh_terms: D000814:Aniline Compounds; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014373:Tuberculin / Q000592:standards; D014374:Tuberculin Test / Q000592:standards; D014376:Tuberculosis / Q000175:diagnosis*
chemical_list: D000814:Aniline Compounds; D014373:Tuberculin