title: Exchanging the skin bleb for the test tube.
authors.forename: Brian F
authors.initials: BF
authors.lastname: Mandell
mesh_terms: D006801:Humans; D007159:Immunologic Tests; D007371:Interferon-gamma; D012680:Sensitivity and Specificity; D014374:Tuberculin Test; D014376:Tuberculosis / Q000175:diagnosis*
chemical_list: D007371:Interferon-gamma