1. Estimated global incidence of smear-positive pulmonary tuberculosis. Unreliability of officially reported figures on tuberculosis;Styblo;Bull Int Union Tuberc,1981
2. Tuberculosis in the 1980's;Glassroth;New Engl J Med,1980
3. The quantified increase of the tuberculosis infection rate in a low prevalence country to be expected if the existing NMR programme were discontinued;Styblo;Bull Int Union Tuberc,1980
4. Decreasing reliability of acid-fast smear techniques for detection of tuberculosis;Boyd;Ann Intern Med,1975
5. Computer files and analysis of laboratory data from tuberculosis patients II. Analysis of six year's data on sputum specimens;Blair;Am Rev Respir Dis,1976