Assessment of tuberculin screening in an urban pediatric clinic.
D002641:Chicago; D002675:Child, Preschool; D004282:Documentation; D006801:Humans; D007223:Infant; D008403:Mass Screening; D008499:Medical Records / Q000592:standards; D010044:Outpatient Clinics, Hospital; D010372:Pediatrics; D011446:Prospective Studies; D014374:Tuberculin Test; D014376:Tuberculosis / Q000453:epidemiology; D014505:Urban Population