title: Tuberculosis in student nurses at Philadelphia General Hospital.
mesh_terms: D006769:Hospitals, General; D006801:Humans; D010414:Pennsylvania; D011859:Radiography; D013338:Students, Nursing; D013997:Time Factors; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000000981:diagnostic imaging / Q000453:epidemiology*