A follow-up study of tuberculosis in former student nurses.  I.  Methods of locating and obtaining information from a study population of 25,752.
D005500:Follow-Up Studies; D006801:Humans; D009729:Nursing; D012106:Research; D013338:Students, Nursing; D014376:Tuberculosis / Q000453:epidemiology*
NURSING PROFESSION; RESEARCH; TUBERCULOSIS/epidemiology