1. Streptococcus pneumoniae;Musher,1995
2. Prevention of pneumococcal disease: recommendations of the Advisory Committee on Immunization Practices (ACIP);Centers for Disease Control, and Prevention;MMWR (Morb Mortal Wkly Rep),1997
3. Pneumococcal disease during HIV infection;Janoff;Ann Intern Med,1992
4. Bacterial pneumonia in persons infected with the human immunodeficiency virus;Hirschtick;N Engl J Med,1995
5. Fourth national HIV survey of women attending antenatal clinics, South Africa, October/November, 1993;Department of National Health;Epidemiol Comments,1994