1. Pathogenesis of a first episode of chronic pulmonary tuberculosis in man: recrudescence of residuals of the primary infection or exogenous reinfection?;Stead;Am Rev Respir Dis,1967
2. Primary tuberculosis infection in nurses;Daniels,1944
3. Epidemiology of tuberculosis;Styblo;Bull Int Union Tuberc,1978
4. Pathogenesis of tuberculosis and effectiveness of BCG vaccination;ten Dam;Tubercle,1982
5. Exogenous reinfection with tuberculosis in a shelter for the homeless;Nardell;N Engl J Med,1986