title: Tuberculin skin testing: when and how to use it.
mesh_terms: D003429:Cross Reactions; D005189:False Positive Reactions; D006801:Humans; D006968:Hypersensitivity, Delayed; D007428:Intradermal Tests; D012882:Skin Tests / Q000379:methods; D014374:Tuberculin Test; D014376:Tuberculosis / Q000175:diagnosis*