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2. Tuberculosis in tropical Africa;Roelsgaard;Bulletin of the World Health Organization,1964
3. The efficacy of the tuberculin test. An analysis based on the results from 33 countries;Nyboe;Bulletin of the World Health Organization,1960
4. Evidence in favour of a low dose for the tuberculin test;Nyboe;Bulletin of the World Health Organization,1964
5. Tuberculins and other mycobacterins;Runyon;American Review of Respiratory Disease,1976