1. Estimates of HIV prevalence and projected AIDS cases;MMWR,1990
2. Tuberculosis in patients with human immunodeficiency virus infection;Barnes;New Engl J Med,1991
3. Recommendations of prevention of HIV in health care settings;MMWR,1987
4. Nosocomial epidemia of active tuberculosis among HlV-infected patients;Di Perri;Lancet,1989
5. Guidelines for preventing the transmission of tuberculosis in health-care settings, with special focus on HlV-related issues;Dooley;MMWR,1990