Tuberculin negative?
D000814:Aniline Compounds; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D008722:Methods; D013501:Surface-Active Agents; D014373:Tuberculin / Q000592:standards; D014374:Tuberculin Test
D000814:Aniline Compounds; D013501:Surface-Active Agents; D014373:Tuberculin