title: Tuberculin skin test reactions. Effects of revised classification on comparative evaluations.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000941:Antigens; D002648:Child; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000145:classification*; D008875:Middle Aged; D012494:Sampling Studies; D014374:Tuberculin Test
chemical_list: D000941:Antigens