title: PPD antigens and the diagnosis of mycobacterial diseases. A study of atypical mycobacterial disease in Oklahoma.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000941:Antigens; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008722:Methods; D008875:Middle Aged; D009161:Mycobacterium / Q000302:isolation & purification; D009164:Mycobacterium Infections / Q000175:diagnosis* / Q000453:epidemiology*; D009169:Mycobacterium tuberculosis / Q000302:isolation & purification; D009825:Oklahoma; D012737:Sex Factors; D012882:Skin Tests; D014374:Tuberculin Test; D014376:Tuberculosis / Q000175:diagnosis
chemical_list: D000941:Antigens